20147921288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{402379}}^1$

素因数の和:402965

約数の個数: 32

約数和(自身を含む): 41284188000

約数和(自身を除く): 21136266712

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 569, 1138, 2276, 4552, 6259, 12518, 25036, 50072, 402379, 804758, 1609516, 3219032, 4426169, 8852338, 17704676, 35409352, 228953651, 457907302, 915814604, 1831629208, 2518490161, 5036980322, 10073960644, 20147921288]

約数ペア:

[(1, 20147921288), (2, 10073960644), (4, 5036980322), (8, 2518490161), (11, 1831629208), (22, 915814604), (44, 457907302), (88, 228953651), (569, 35409352), (1138, 17704676), (2276, 8852338), (4552, 4426169), (6259, 3219032), (12518, 1609516), (25036, 804758), (50072, 402379)]