201002420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{141551}}^1$

素因数の和:141631

約数の個数: 24

約数和(自身を含む): 428053248

約数和(自身を除く): 227050828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 141551, 283102, 566204, 707755, 1415510, 2831020, 10050121, 20100242, 40200484, 50250605, 100501210, 201002420]

約数ペア:

[(1, 201002420), (2, 100501210), (4, 50250605), (5, 40200484), (10, 20100242), (20, 10050121), (71, 2831020), (142, 1415510), (284, 707755), (355, 566204), (710, 283102), (1420, 141551)]