20121793912460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6172329421}}^1$

素因数の和:6172329593

約数の個数: 24

約数和(自身を含む): 42515005058736

約数和(自身を除く): 22393211146276

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6172329421, 12344658842, 24689317684, 30861647105, 61723294210, 123446588420, 1006089695623, 2012179391246, 4024358782492, 5030448478115, 10060896956230, 20121793912460]

約数ペア:

[(1, 20121793912460), (2, 10060896956230), (4, 5030448478115), (5, 4024358782492), (10, 2012179391246), (20, 1006089695623), (163, 123446588420), (326, 61723294210), (652, 30861647105), (815, 24689317684), (1630, 12344658842), (3260, 6172329421)]