20259069

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 7319811

約数列:

[1, 3, 71, 213, 227, 419, 681, 1257, 16117, 29749, 48351, 89247, 95113, 285339, 6753023, 20259069]

約数ペア:

[(1, 20259069), (3, 6753023), (71, 285339), (213, 95113), (227, 89247), (419, 48351), (681, 29749), (1257, 16117)]