20802023425

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1\times {\mathrm{877}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 26900746992

約数和(自身を除く): 6098723567

約数列:

[1, 5, 25, 41, 73, 205, 317, 365, 877, 1025, 1585, 1825, 2993, 4385, 7925, 12997, 14965, 21925, 23141, 35957, 64021, 64985, 74825, 115705, 179785, 278009, 320105, 324925, 578525, 898925, 948781, 1390045, 1600525, 2624861, 4743905, 6950225, 11398369, 13124305, 20294657, 23719525, 56991845, 65621525, 101473285, 284959225, 507366425, 832080937, 4160404685, 20802023425]

約数ペア:

[(1, 20802023425), (5, 4160404685), (25, 832080937), (41, 507366425), (73, 284959225), (205, 101473285), (317, 65621525), (365, 56991845), (877, 23719525), (1025, 20294657), (1585, 13124305), (1825, 11398369), (2993, 6950225), (4385, 4743905), (7925, 2624861), (12997, 1600525), (14965, 1390045), (21925, 948781), (23141, 898925), (35957, 578525), (64021, 324925), (64985, 320105), (74825, 278009), (115705, 179785)]