20105787520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3559}}^1$

素因数の和:3695

約数の個数: 256

約数和(自身を含む): 59784076800

約数和(自身を除く): 39678289280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 97, 104, 112, 128, 130, 140, 160, 182, 194, 208, 224, 260, 280, 320, 364, 388, 416, 448, 455, 485, 520, 560, 640, 679, 728, 776, 832, 896, 910, 970, 1040, 1120, 1261, 1358, 1456, 1552, 1664, 1820, 1940, 2080, 2240, 2522, 2716, 2912, 3104, 3395, 3559, 3640, 3880, 4160, 4480, 5044, 5432, 5824, 6208, 6305, 6790, 7118, 7280, 7760, 8320, 8827, 10088, 10864, 11648, 12416, 12610, 13580, 14236, 14560, 15520, 17654, 17795, 20176, 21728, 24913, 25220, 27160, 28472, 29120, 31040, 35308, 35590, 40352, 43456, 44135, 46267, 49826, 50440, 54320, 56944, 58240, 62080, 70616, 71180, 80704, 86912, 88270, 92534, 99652, 100880, 108640, 113888, 124565, 141232, 142360, 161408, 176540, 185068, 199304, 201760, 217280, 227776, 231335, 249130, 282464, 284720, 323869, 345223, 353080, 370136, 398608, 403520, 434560, 455552, 462670, 498260, 564928, 569440, 647738, 690446, 706160, 740272, 797216, 807040, 925340, 996520, 1129856, 1138880, 1295476, 1380892, 1412320, 1480544, 1594432, 1619345, 1726115, 1850680, 1993040, 2277760, 2416561, 2590952, 2761784, 2824640, 2961088, 3188864, 3238690, 3452230, 3701360, 3986080, 4487899, 4833122, 5181904, 5523568, 5649280, 5922176, 6477380, 6904460, 7402720, 7972160, 8975798, 9666244, 10363808, 11047136, 12082805, 12954760, 13808920, 14805440, 15944320, 17951596, 19332488, 20727616, 22094272, 22439495, 24165610, 25909520, 27617840, 29610880, 31415293, 35903192, 38664976, 41455232, 44188544, 44878990, 48331220, 51819040, 55235680, 62830586, 71806384, 77329952, 89757980, 96662440, 103638080, 110471360, 125661172, 143612768, 154659904, 157076465, 179515960, 193324880, 207276160, 220942720, 251322344, 287225536, 309319808, 314152930, 359031920, 386649760, 502644688, 574451072, 628305860, 718063840, 773299520, 1005289376, 1256611720, 1436127680, 1546599040, 2010578752, 2513223440, 2872255360, 4021157504, 5026446880, 10052893760, 20105787520]

約数ペア:

[(1, 20105787520), (2, 10052893760), (4, 5026446880), (5, 4021157504), (7, 2872255360), (8, 2513223440), (10, 2010578752), (13, 1546599040), (14, 1436127680), (16, 1256611720), (20, 1005289376), (26, 773299520), (28, 718063840), (32, 628305860), (35, 574451072), (40, 502644688), (52, 386649760), (56, 359031920), (64, 314152930), (65, 309319808), (70, 287225536), (80, 251322344), (91, 220942720), (97, 207276160), (104, 193324880), (112, 179515960), (128, 157076465), (130, 154659904), (140, 143612768), (160, 125661172), (182, 110471360), (194, 103638080), (208, 96662440), (224, 89757980), (260, 77329952), (280, 71806384), (320, 62830586), (364, 55235680), (388, 51819040), (416, 48331220), (448, 44878990), (455, 44188544), (485, 41455232), (520, 38664976), (560, 35903192), (640, 31415293), (679, 29610880), (728, 27617840), (776, 25909520), (832, 24165610), (896, 22439495), (910, 22094272), (970, 20727616), (1040, 19332488), (1120, 17951596), (1261, 15944320), (1358, 14805440), (1456, 13808920), (1552, 12954760), (1664, 12082805), (1820, 11047136), (1940, 10363808), (2080, 9666244), (2240, 8975798), (2522, 7972160), (2716, 7402720), (2912, 6904460), (3104, 6477380), (3395, 5922176), (3559, 5649280), (3640, 5523568), (3880, 5181904), (4160, 4833122), (4480, 4487899), (5044, 3986080), (5432, 3701360), (5824, 3452230), (6208, 3238690), (6305, 3188864), (6790, 2961088), (7118, 2824640), (7280, 2761784), (7760, 2590952), (8320, 2416561), (8827, 2277760), (10088, 1993040), (10864, 1850680), (11648, 1726115), (12416, 1619345), (12610, 1594432), (13580, 1480544), (14236, 1412320), (14560, 1380892), (15520, 1295476), (17654, 1138880), (17795, 1129856), (20176, 996520), (21728, 925340), (24913, 807040), (25220, 797216), (27160, 740272), (28472, 706160), (29120, 690446), (31040, 647738), (35308, 569440), (35590, 564928), (40352, 498260), (43456, 462670), (44135, 455552), (46267, 434560), (49826, 403520), (50440, 398608), (54320, 370136), (56944, 353080), (58240, 345223), (62080, 323869), (70616, 284720), (71180, 282464), (80704, 249130), (86912, 231335), (88270, 227776), (92534, 217280), (99652, 201760), (100880, 199304), (108640, 185068), (113888, 176540), (124565, 161408), (141232, 142360)]