20100515216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1997269}}^1$

素因数の和:1997331

約数の個数: 40

約数和(自身を含む): 42350113080

約数和(自身を除く): 22249597864

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2516, 5032, 10064, 1997269, 3994538, 7989076, 15978152, 31956304, 33953573, 67907146, 73898953, 135814292, 147797906, 271628584, 295595812, 543257168, 591191624, 1182383248, 1256282201, 2512564402, 5025128804, 10050257608, 20100515216]

約数ペア:

[(1, 20100515216), (2, 10050257608), (4, 5025128804), (8, 2512564402), (16, 1256282201), (17, 1182383248), (34, 591191624), (37, 543257168), (68, 295595812), (74, 271628584), (136, 147797906), (148, 135814292), (272, 73898953), (296, 67907146), (592, 33953573), (629, 31956304), (1258, 15978152), (2516, 7989076), (5032, 3994538), (10064, 1997269)]