20120681788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{264745813}}^1$

素因数の和:264745836

約数の個数: 12

約数和(自身を含む): 37064413960

約数和(自身を除く): 16943732172

約数列:

[1, 2, 4, 19, 38, 76, 264745813, 529491626, 1058983252, 5030170447, 10060340894, 20120681788]

約数ペア:

[(1, 20120681788), (2, 10060340894), (4, 5030170447), (19, 1058983252), (38, 529491626), (76, 264745813)]