22020859

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 25977600

約数和(自身を除く): 3956741

約数列:

[1, 7, 43, 149, 301, 491, 1043, 3437, 6407, 21113, 44849, 73159, 147791, 512113, 3145837, 22020859]

約数ペア:

[(1, 22020859), (7, 3145837), (43, 512113), (149, 147791), (301, 73159), (491, 44849), (1043, 21113), (3437, 6407)]