20580455091

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3192253}}^1$

素因数の和:3192570

約数の個数: 16

約数和(自身を含む): 31462855424

約数和(自身を除く): 10882400333

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 3192253, 9576759, 22345771, 67037313, 980021671, 2940065013, 6860151697, 20580455091]

約数ペア:

[(1, 20580455091), (3, 6860151697), (7, 2940065013), (21, 980021671), (307, 67037313), (921, 22345771), (2149, 9576759), (6447, 3192253)]