20713326

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21795474

約数列:

[1, 2, 3, 6, 79, 89, 158, 178, 237, 267, 474, 491, 534, 982, 1473, 2946, 7031, 14062, 21093, 38789, 42186, 43699, 77578, 87398, 116367, 131097, 232734, 262194, 3452221, 6904442, 10356663, 20713326]

約数ペア:

[(1, 20713326), (2, 10356663), (3, 6904442), (6, 3452221), (79, 262194), (89, 232734), (158, 131097), (178, 116367), (237, 87398), (267, 77578), (474, 43699), (491, 42186), (534, 38789), (982, 21093), (1473, 14062), (2946, 7031)]