20120370644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{304651}}^1$

素因数の和:304764

約数の個数: 48

約数和(自身を含む): 40945228800

約数和(自身を除く): 20824858156

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 158, 209, 316, 418, 836, 869, 1501, 1738, 3002, 3476, 6004, 16511, 33022, 66044, 304651, 609302, 1218604, 3351161, 5788369, 6702322, 11576738, 13404644, 23153476, 24067429, 48134858, 63672059, 96269716, 127344118, 254688236, 264741719, 457281151, 529483438, 914562302, 1058966876, 1829124604, 5030092661, 10060185322, 20120370644]

約数ペア:

[(1, 20120370644), (2, 10060185322), (4, 5030092661), (11, 1829124604), (19, 1058966876), (22, 914562302), (38, 529483438), (44, 457281151), (76, 264741719), (79, 254688236), (158, 127344118), (209, 96269716), (316, 63672059), (418, 48134858), (836, 24067429), (869, 23153476), (1501, 13404644), (1738, 11576738), (3002, 6702322), (3476, 5788369), (6004, 3351161), (16511, 1218604), (33022, 609302), (66044, 304651)]