16506920

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{827}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 37260000

約数和(自身を除く): 20753080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 827, 998, 1654, 1996, 2495, 3308, 3992, 4135, 4990, 6616, 8270, 9980, 16540, 19960, 33080, 412673, 825346, 1650692, 2063365, 3301384, 4126730, 8253460, 16506920]

約数ペア:

[(1, 16506920), (2, 8253460), (4, 4126730), (5, 3301384), (8, 2063365), (10, 1650692), (20, 825346), (40, 412673), (499, 33080), (827, 19960), (998, 16540), (1654, 9980), (1996, 8270), (2495, 6616), (3308, 4990), (3992, 4135)]