20918219872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{2111}}^1\times {\mathrm{28151}}^1$

素因数の和:30283

約数の個数: 48

約数和(自身を含む): 44949510144

約数和(自身を除く): 24031290272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 2111, 4222, 8444, 16888, 23221, 28151, 33776, 46442, 56302, 67552, 92884, 112604, 185768, 225208, 309661, 371536, 450416, 619322, 743072, 900832, 1238644, 2477288, 4954576, 9909152, 59426761, 118853522, 237707044, 475414088, 653694371, 950828176, 1307388742, 1901656352, 2614777484, 5229554968, 10459109936, 20918219872]

約数ペア:

[(1, 20918219872), (2, 10459109936), (4, 5229554968), (8, 2614777484), (11, 1901656352), (16, 1307388742), (22, 950828176), (32, 653694371), (44, 475414088), (88, 237707044), (176, 118853522), (352, 59426761), (2111, 9909152), (4222, 4954576), (8444, 2477288), (16888, 1238644), (23221, 900832), (28151, 743072), (33776, 619322), (46442, 450416), (56302, 371536), (67552, 309661), (92884, 225208), (112604, 185768)]