20511460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33083}}^1$

素因数の和:33123

約数の個数: 24

約数和(自身を含む): 44464896

約数和(自身を除く): 23953436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33083, 66166, 132332, 165415, 330830, 661660, 1025573, 2051146, 4102292, 5127865, 10255730, 20511460]

約数ペア:

[(1, 20511460), (2, 10255730), (4, 5127865), (5, 4102292), (10, 2051146), (20, 1025573), (31, 661660), (62, 330830), (124, 165415), (155, 132332), (310, 66166), (620, 33083)]