20571690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{685723}}^1$

素因数の和:685733

約数の個数: 16

約数和(自身を含む): 49372128

約数和(自身を除く): 28800438

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 685723, 1371446, 2057169, 3428615, 4114338, 6857230, 10285845, 20571690]

約数ペア:

[(1, 20571690), (2, 10285845), (3, 6857230), (5, 4114338), (6, 3428615), (10, 2057169), (15, 1371446), (30, 685723)]