20809870816

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4483}}^1$

素因数の和:4593

約数の個数: 192

約数和(自身を含む): 52719787008

約数和(自身を除く): 31909916192

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 53, 56, 68, 92, 106, 112, 119, 136, 161, 184, 212, 224, 238, 272, 322, 368, 371, 391, 424, 476, 544, 644, 736, 742, 782, 848, 901, 952, 1219, 1288, 1484, 1564, 1696, 1802, 1904, 2438, 2576, 2737, 2968, 3128, 3604, 3808, 4483, 4876, 5152, 5474, 5936, 6256, 6307, 7208, 8533, 8966, 9752, 10948, 11872, 12512, 12614, 14416, 17066, 17932, 19504, 20723, 21896, 25228, 28832, 31381, 34132, 35864, 39008, 41446, 43792, 50456, 62762, 68264, 71728, 76211, 82892, 87584, 100912, 103109, 125524, 136528, 143456, 145061, 152422, 165784, 201824, 206218, 237599, 251048, 273056, 290122, 304844, 331568, 412436, 475198, 502096, 533477, 580244, 609688, 663136, 721763, 824872, 950396, 1004192, 1066954, 1160488, 1219376, 1443526, 1649744, 1663193, 1752853, 1900792, 2133908, 2320976, 2438752, 2887052, 3299488, 3326386, 3505706, 3801584, 4039183, 4267816, 4641952, 5464777, 5774104, 6652772, 7011412, 7603168, 8078366, 8535632, 10929554, 11548208, 12269971, 13305544, 14022824, 16156732, 17071264, 21859108, 23096416, 24539942, 26611088, 28045648, 28274281, 32313464, 38253439, 43718216, 49079884, 53222176, 56091296, 56548562, 64626928, 76506878, 87436432, 92901209, 98159768, 113097124, 129253856, 153013756, 174872864, 185802418, 196319536, 226194248, 306027512, 371604836, 392639072, 452388496, 612055024, 650308463, 743209672, 904776992, 1224110048, 1300616926, 1486419344, 2601233852, 2972838688, 5202467704, 10404935408, 20809870816]

約数ペア:

[(1, 20809870816), (2, 10404935408), (4, 5202467704), (7, 2972838688), (8, 2601233852), (14, 1486419344), (16, 1300616926), (17, 1224110048), (23, 904776992), (28, 743209672), (32, 650308463), (34, 612055024), (46, 452388496), (53, 392639072), (56, 371604836), (68, 306027512), (92, 226194248), (106, 196319536), (112, 185802418), (119, 174872864), (136, 153013756), (161, 129253856), (184, 113097124), (212, 98159768), (224, 92901209), (238, 87436432), (272, 76506878), (322, 64626928), (368, 56548562), (371, 56091296), (391, 53222176), (424, 49079884), (476, 43718216), (544, 38253439), (644, 32313464), (736, 28274281), (742, 28045648), (782, 26611088), (848, 24539942), (901, 23096416), (952, 21859108), (1219, 17071264), (1288, 16156732), (1484, 14022824), (1564, 13305544), (1696, 12269971), (1802, 11548208), (1904, 10929554), (2438, 8535632), (2576, 8078366), (2737, 7603168), (2968, 7011412), (3128, 6652772), (3604, 5774104), (3808, 5464777), (4483, 4641952), (4876, 4267816), (5152, 4039183), (5474, 3801584), (5936, 3505706), (6256, 3326386), (6307, 3299488), (7208, 2887052), (8533, 2438752), (8966, 2320976), (9752, 2133908), (10948, 1900792), (11872, 1752853), (12512, 1663193), (12614, 1649744), (14416, 1443526), (17066, 1219376), (17932, 1160488), (19504, 1066954), (20723, 1004192), (21896, 950396), (25228, 824872), (28832, 721763), (31381, 663136), (34132, 609688), (35864, 580244), (39008, 533477), (41446, 502096), (43792, 475198), (50456, 412436), (62762, 331568), (68264, 304844), (71728, 290122), (76211, 273056), (82892, 251048), (87584, 237599), (100912, 206218), (103109, 201824), (125524, 165784), (136528, 152422), (143456, 145061)]