20621001

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 28560960

約数和(自身を除く): 7939959

約数列:

[1, 3, 29, 87, 421, 563, 1263, 1689, 12209, 16327, 36627, 48981, 237023, 711069, 6873667, 20621001]

約数ペア:

[(1, 20621001), (3, 6873667), (29, 711069), (87, 237023), (421, 48981), (563, 36627), (1263, 16327), (1689, 12209)]