20996633

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 3800167

約数列:

[1, 7, 41, 149, 287, 491, 1043, 3437, 6109, 20131, 42763, 73159, 140917, 512113, 2999519, 20996633]

約数ペア:

[(1, 20996633), (7, 2999519), (41, 512113), (149, 140917), (287, 73159), (491, 42763), (1043, 20131), (3437, 6109)]