20921654772

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{48313}}^1$

素因数の和:48869

約数の個数: 72

約数和(自身を含む): 55291314624

約数和(自身を除く): 34369659852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 523, 828, 1046, 1569, 2092, 3138, 4707, 6276, 9414, 12029, 18828, 24058, 36087, 48116, 48313, 72174, 96626, 108261, 144348, 144939, 193252, 216522, 289878, 433044, 434817, 579756, 869634, 1111199, 1739268, 2222398, 3333597, 4444796, 6667194, 10000791, 13334388, 20001582, 25267699, 40003164, 50535398, 75803097, 101070796, 151606194, 227409291, 303212388, 454818582, 581157077, 909637164, 1162314154, 1743471231, 2324628308, 3486942462, 5230413693, 6973884924, 10460827386, 20921654772]

約数ペア:

[(1, 20921654772), (2, 10460827386), (3, 6973884924), (4, 5230413693), (6, 3486942462), (9, 2324628308), (12, 1743471231), (18, 1162314154), (23, 909637164), (36, 581157077), (46, 454818582), (69, 303212388), (92, 227409291), (138, 151606194), (207, 101070796), (276, 75803097), (414, 50535398), (523, 40003164), (828, 25267699), (1046, 20001582), (1569, 13334388), (2092, 10000791), (3138, 6667194), (4707, 4444796), (6276, 3333597), (9414, 2222398), (12029, 1739268), (18828, 1111199), (24058, 869634), (36087, 579756), (48116, 434817), (48313, 433044), (72174, 289878), (96626, 216522), (108261, 193252), (144348, 144939)]