20840904

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41351}}^1$

素因数の和:41370

約数の個数: 48

約数和(自身を含む): 64509120

約数和(自身を除く): 43668216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41351, 82702, 124053, 165404, 248106, 289457, 330808, 372159, 496212, 578914, 744318, 868371, 992424, 1157828, 1488636, 1736742, 2315656, 2605113, 2977272, 3473484, 5210226, 6946968, 10420452, 20840904]

約数ペア:

[(1, 20840904), (2, 10420452), (3, 6946968), (4, 5210226), (6, 3473484), (7, 2977272), (8, 2605113), (9, 2315656), (12, 1736742), (14, 1488636), (18, 1157828), (21, 992424), (24, 868371), (28, 744318), (36, 578914), (42, 496212), (56, 372159), (63, 330808), (72, 289457), (84, 248106), (126, 165404), (168, 124053), (252, 82702), (504, 41351)]