20123188798

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1447}}^1\times {\mathrm{1471}}^1$

素因数の和:3112

約数の個数: 32

約数和(自身を含む): 31460290560

約数和(自身を除く): 11337101762

約数列:

[1, 2, 29, 58, 163, 326, 1447, 1471, 2894, 2942, 4727, 9454, 41963, 42659, 83926, 85318, 235861, 239773, 471722, 479546, 2128537, 4257074, 6839969, 6953417, 13679938, 13906834, 61727573, 123455146, 346951531, 693903062, 10061594399, 20123188798]

約数ペア:

[(1, 20123188798), (2, 10061594399), (29, 693903062), (58, 346951531), (163, 123455146), (326, 61727573), (1447, 13906834), (1471, 13679938), (2894, 6953417), (2942, 6839969), (4727, 4257074), (9454, 2128537), (41963, 479546), (42659, 471722), (83926, 239773), (85318, 235861)]