20120221268

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19421063}}^1$

素因数の和:19421111

約数の個数: 24

約数和(自身を含む): 41328024192

約数和(自身を除く): 21207802924

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19421063, 38842126, 77684252, 135947441, 271894882, 543789764, 718579331, 1437158662, 2874317324, 5030055317, 10060110634, 20120221268]

約数ペア:

[(1, 20120221268), (2, 10060110634), (4, 5030055317), (7, 2874317324), (14, 1437158662), (28, 718579331), (37, 543789764), (74, 271894882), (148, 135947441), (259, 77684252), (518, 38842126), (1036, 19421063)]