20730605840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1\times {\mathrm{1399}}^1$

素因数の和:2029

約数の個数: 160

約数和(自身を含む): 56396390400

約数和(自身を除く): 35665784560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 563, 658, 752, 940, 1126, 1316, 1399, 1645, 1880, 2252, 2632, 2798, 2815, 3290, 3760, 3941, 4504, 5264, 5596, 5630, 6580, 6995, 7882, 9008, 9793, 11192, 11260, 13160, 13990, 15764, 19586, 19705, 22384, 22520, 26320, 26461, 27980, 31528, 39172, 39410, 45040, 48965, 52922, 55960, 63056, 65753, 78344, 78820, 97930, 105844, 111920, 131506, 132305, 156688, 157640, 185227, 195860, 211688, 263012, 264610, 315280, 328765, 370454, 391720, 423376, 460271, 526024, 529220, 657530, 740908, 783440, 787637, 920542, 926135, 1052048, 1058440, 1315060, 1481816, 1575274, 1841084, 1852270, 2116880, 2301355, 2630120, 2963632, 3150548, 3682168, 3704540, 3938185, 4602710, 5260240, 5513459, 6301096, 7364336, 7409080, 7876370, 9205420, 11026918, 12602192, 14818160, 15752740, 18410840, 22053836, 27567295, 31505480, 36821680, 37018939, 44107672, 55134590, 63010960, 74037878, 88215344, 110269180, 148075756, 185094695, 220538360, 259132573, 296151512, 370189390, 441076720, 518265146, 592303024, 740378780, 1036530292, 1295662865, 1480757560, 2073060584, 2591325730, 2961515120, 4146121168, 5182651460, 10365302920, 20730605840]

約数ペア:

[(1, 20730605840), (2, 10365302920), (4, 5182651460), (5, 4146121168), (7, 2961515120), (8, 2591325730), (10, 2073060584), (14, 1480757560), (16, 1295662865), (20, 1036530292), (28, 740378780), (35, 592303024), (40, 518265146), (47, 441076720), (56, 370189390), (70, 296151512), (80, 259132573), (94, 220538360), (112, 185094695), (140, 148075756), (188, 110269180), (235, 88215344), (280, 74037878), (329, 63010960), (376, 55134590), (470, 44107672), (560, 37018939), (563, 36821680), (658, 31505480), (752, 27567295), (940, 22053836), (1126, 18410840), (1316, 15752740), (1399, 14818160), (1645, 12602192), (1880, 11026918), (2252, 9205420), (2632, 7876370), (2798, 7409080), (2815, 7364336), (3290, 6301096), (3760, 5513459), (3941, 5260240), (4504, 4602710), (5264, 3938185), (5596, 3704540), (5630, 3682168), (6580, 3150548), (6995, 2963632), (7882, 2630120), (9008, 2301355), (9793, 2116880), (11192, 1852270), (11260, 1841084), (13160, 1575274), (13990, 1481816), (15764, 1315060), (19586, 1058440), (19705, 1052048), (22384, 926135), (22520, 920542), (26320, 787637), (26461, 783440), (27980, 740908), (31528, 657530), (39172, 529220), (39410, 526024), (45040, 460271), (48965, 423376), (52922, 391720), (55960, 370454), (63056, 328765), (65753, 315280), (78344, 264610), (78820, 263012), (97930, 211688), (105844, 195860), (111920, 185227), (131506, 157640), (132305, 156688)]