20500824

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 32687016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 71, 106, 142, 159, 212, 213, 227, 284, 318, 424, 426, 454, 568, 636, 681, 852, 908, 1272, 1362, 1704, 1816, 2724, 3763, 5448, 7526, 11289, 12031, 15052, 16117, 22578, 24062, 30104, 32234, 36093, 45156, 48124, 48351, 64468, 72186, 90312, 96248, 96702, 128936, 144372, 193404, 288744, 386808, 854201, 1708402, 2562603, 3416804, 5125206, 6833608, 10250412, 20500824]

約数ペア:

[(1, 20500824), (2, 10250412), (3, 6833608), (4, 5125206), (6, 3416804), (8, 2562603), (12, 1708402), (24, 854201), (53, 386808), (71, 288744), (106, 193404), (142, 144372), (159, 128936), (212, 96702), (213, 96248), (227, 90312), (284, 72186), (318, 64468), (424, 48351), (426, 48124), (454, 45156), (568, 36093), (636, 32234), (681, 30104), (852, 24062), (908, 22578), (1272, 16117), (1362, 15052), (1704, 12031), (1816, 11289), (2724, 7526), (3763, 5448)]