20042740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32327}}^1$

素因数の和:32367

約数の個数: 24

約数和(自身を含む): 43448832

約数和(自身を除く): 23406092

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32327, 64654, 129308, 161635, 323270, 646540, 1002137, 2004274, 4008548, 5010685, 10021370, 20042740]

約数ペア:

[(1, 20042740), (2, 10021370), (4, 5010685), (5, 4008548), (10, 2004274), (20, 1002137), (31, 646540), (62, 323270), (124, 161635), (155, 129308), (310, 64654), (620, 32327)]