20176852552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1\times {\mathrm{1721}}^1$

素因数の和:2446

約数の個数: 64

約数和(自身を含む): 40208011200

約数和(自身を除く): 20031158648

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 563, 1096, 1126, 1721, 2252, 2603, 3442, 4504, 5206, 6884, 10412, 10697, 13768, 20824, 21394, 32699, 42788, 65398, 77131, 85576, 130796, 154262, 235777, 261592, 308524, 471554, 617048, 943108, 968923, 1465489, 1886216, 1937846, 2930978, 3875692, 4479763, 5861956, 7751384, 8959526, 11723912, 17919052, 18409537, 35838104, 36819074, 73638148, 132742451, 147276296, 265484902, 530969804, 1061939608, 2522106569, 5044213138, 10088426276, 20176852552]

約数ペア:

[(1, 20176852552), (2, 10088426276), (4, 5044213138), (8, 2522106569), (19, 1061939608), (38, 530969804), (76, 265484902), (137, 147276296), (152, 132742451), (274, 73638148), (548, 36819074), (563, 35838104), (1096, 18409537), (1126, 17919052), (1721, 11723912), (2252, 8959526), (2603, 7751384), (3442, 5861956), (4504, 4479763), (5206, 3875692), (6884, 2930978), (10412, 1937846), (10697, 1886216), (13768, 1465489), (20824, 968923), (21394, 943108), (32699, 617048), (42788, 471554), (65398, 308524), (77131, 261592), (85576, 235777), (130796, 154262)]