20868816

素因数分解:

$2^4\times 3^1\times {\mathrm{409}}^1\times {\mathrm{1063}}^1$

素因数の和:1483

約数の個数: 40

約数和(自身を含む): 54093760

約数和(自身を除く): 33224944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409, 818, 1063, 1227, 1636, 2126, 2454, 3189, 3272, 4252, 4908, 6378, 6544, 8504, 9816, 12756, 17008, 19632, 25512, 51024, 434767, 869534, 1304301, 1739068, 2608602, 3478136, 5217204, 6956272, 10434408, 20868816]

約数ペア:

[(1, 20868816), (2, 10434408), (3, 6956272), (4, 5217204), (6, 3478136), (8, 2608602), (12, 1739068), (16, 1304301), (24, 869534), (48, 434767), (409, 51024), (818, 25512), (1063, 19632), (1227, 17008), (1636, 12756), (2126, 9816), (2454, 8504), (3189, 6544), (3272, 6378), (4252, 4908)]