20763922075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{2861}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 28111388256

約数和(自身を除く): 7347466181

約数列:

[1, 5, 13, 25, 65, 137, 163, 325, 685, 815, 1781, 2119, 2861, 3425, 4075, 8905, 10595, 14305, 22331, 37193, 44525, 52975, 71525, 111655, 185965, 290303, 391957, 466343, 558275, 929825, 1451515, 1959785, 2331715, 5095441, 6062459, 7257575, 9798925, 11658575, 25477205, 30312295, 63888991, 127386025, 151561475, 319444955, 830556883, 1597224775, 4152784415, 20763922075]

約数ペア:

[(1, 20763922075), (5, 4152784415), (13, 1597224775), (25, 830556883), (65, 319444955), (137, 151561475), (163, 127386025), (325, 63888991), (685, 30312295), (815, 25477205), (1781, 11658575), (2119, 9798925), (2861, 7257575), (3425, 6062459), (4075, 5095441), (8905, 2331715), (10595, 1959785), (14305, 1451515), (22331, 929825), (37193, 558275), (44525, 466343), (52975, 391957), (71525, 290303), (111655, 185965)]