20176975329

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12162131}}^1$

素因数の和:12162220

約数の個数: 16

約数和(自身を含む): 31135057920

約数和(自身を除く): 10958082591

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12162131, 36486393, 85134917, 255404751, 960808349, 2882425047, 6725658443, 20176975329]

約数ペア:

[(1, 20176975329), (3, 6725658443), (7, 2882425047), (21, 960808349), (79, 255404751), (237, 85134917), (553, 36486393), (1659, 12162131)]