20754110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9391}}^1$

素因数の和:9428

約数の個数: 32

約数和(自身を含む): 42602112

約数和(自身を除く): 21848002

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9391, 18782, 46955, 93910, 122083, 159647, 244166, 319294, 610415, 798235, 1220830, 1596470, 2075411, 4150822, 10377055, 20754110]

約数ペア:

[(1, 20754110), (2, 10377055), (5, 4150822), (10, 2075411), (13, 1596470), (17, 1220830), (26, 798235), (34, 610415), (65, 319294), (85, 244166), (130, 159647), (170, 122083), (221, 93910), (442, 46955), (1105, 18782), (2210, 9391)]