20115225837

素因数分解:

$3^2\times 7^2\times {\mathrm{991}}^1\times {\mathrm{46027}}^1$

素因数の和:47038

約数の個数: 36

約数和(自身を含む): 33833894016

約数和(自身を除く): 13718668179

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 991, 2973, 6937, 8919, 20811, 46027, 48559, 62433, 138081, 145677, 322189, 414243, 437031, 966567, 2255323, 2899701, 6765969, 20297907, 45612757, 136838271, 319289299, 410514813, 957867897, 2235025093, 2873603691, 6705075279, 20115225837]

約数ペア:

[(1, 20115225837), (3, 6705075279), (7, 2873603691), (9, 2235025093), (21, 957867897), (49, 410514813), (63, 319289299), (147, 136838271), (441, 45612757), (991, 20297907), (2973, 6765969), (6937, 2899701), (8919, 2255323), (20811, 966567), (46027, 437031), (48559, 414243), (62433, 322189), (138081, 145677)]