20704432

素因数分解:

$2^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{461}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 46059552

約数和(自身を除く): 25355120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 401, 461, 802, 922, 1604, 1844, 2807, 3208, 3227, 3688, 5614, 6416, 6454, 7376, 11228, 12908, 22456, 25816, 44912, 51632, 184861, 369722, 739444, 1294027, 1478888, 2588054, 2957776, 5176108, 10352216, 20704432]

約数ペア:

[(1, 20704432), (2, 10352216), (4, 5176108), (7, 2957776), (8, 2588054), (14, 1478888), (16, 1294027), (28, 739444), (56, 369722), (112, 184861), (401, 51632), (461, 44912), (802, 25816), (922, 22456), (1604, 12908), (1844, 11228), (2807, 7376), (3208, 6454), (3227, 6416), (3688, 5614)]