16227940

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1031}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 34155072

約数和(自身を除く): 17927132

約数列:

[1, 2, 4, 5, 10, 20, 787, 1031, 1574, 2062, 3148, 3935, 4124, 5155, 7870, 10310, 15740, 20620, 811397, 1622794, 3245588, 4056985, 8113970, 16227940]

約数ペア:

[(1, 16227940), (2, 8113970), (4, 4056985), (5, 3245588), (10, 1622794), (20, 811397), (787, 20620), (1031, 15740), (1574, 10310), (2062, 7870), (3148, 5155), (3935, 4124)]