20573529

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 27955200

約数和(自身を除く): 7381671

約数列:

[1, 3, 103, 139, 309, 417, 479, 1437, 14317, 42951, 49337, 66581, 148011, 199743, 6857843, 20573529]

約数ペア:

[(1, 20573529), (3, 6857843), (103, 199743), (139, 148011), (309, 66581), (417, 49337), (479, 42951), (1437, 14317)]