20856865127532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2861}}^1\times {\mathrm{86786443}}^1$

素因数の和:86789318

約数の個数: 48

約数和(自身を含む): 55637747811072

約数和(自身を除く): 34780882683540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2861, 5722, 8583, 11444, 17166, 20027, 34332, 40054, 60081, 80108, 120162, 240324, 86786443, 173572886, 260359329, 347145772, 520718658, 607505101, 1041437316, 1215010202, 1822515303, 2430020404, 3645030606, 7290061212, 248296013423, 496592026846, 744888040269, 993184053692, 1489776080538, 1738072093961, 2979552161076, 3476144187922, 5214216281883, 6952288375844, 10428432563766, 20856865127532]

約数ペア:

[(1, 20856865127532), (2, 10428432563766), (3, 6952288375844), (4, 5214216281883), (6, 3476144187922), (7, 2979552161076), (12, 1738072093961), (14, 1489776080538), (21, 993184053692), (28, 744888040269), (42, 496592026846), (84, 248296013423), (2861, 7290061212), (5722, 3645030606), (8583, 2430020404), (11444, 1822515303), (17166, 1215010202), (20027, 1041437316), (34332, 607505101), (40054, 520718658), (60081, 347145772), (80108, 260359329), (120162, 173572886), (240324, 86786443)]