20433137090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 37641477600

約数和(自身を除く): 17208340510

約数列:

[1, 2, 5, 10, 89, 157, 178, 257, 314, 445, 514, 569, 785, 890, 1138, 1285, 1570, 2570, 2845, 5690, 13973, 22873, 27946, 40349, 45746, 50641, 69865, 80698, 89333, 101282, 114365, 139730, 146233, 178666, 201745, 228730, 253205, 292466, 403490, 446665, 506410, 731165, 893330, 1462330, 3591061, 7182122, 7950637, 13014737, 15901274, 17955305, 22958581, 26029474, 35910610, 39753185, 45917162, 65073685, 79506370, 114792905, 130147370, 229585810, 2043313709, 4086627418, 10216568545, 20433137090]

約数ペア:

[(1, 20433137090), (2, 10216568545), (5, 4086627418), (10, 2043313709), (89, 229585810), (157, 130147370), (178, 114792905), (257, 79506370), (314, 65073685), (445, 45917162), (514, 39753185), (569, 35910610), (785, 26029474), (890, 22958581), (1138, 17955305), (1285, 15901274), (1570, 13014737), (2570, 7950637), (2845, 7182122), (5690, 3591061), (13973, 1462330), (22873, 893330), (27946, 731165), (40349, 506410), (45746, 446665), (50641, 403490), (69865, 292466), (80698, 253205), (89333, 228730), (101282, 201745), (114365, 178666), (139730, 146233)]