20091110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9091}}^1$

素因数の和:9128

約数の個数: 32

約数和(自身を含む): 41241312

約数和(自身を除く): 21150202

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9091, 18182, 45455, 90910, 118183, 154547, 236366, 309094, 590915, 772735, 1181830, 1545470, 2009111, 4018222, 10045555, 20091110]

約数ペア:

[(1, 20091110), (2, 10045555), (5, 4018222), (10, 2009111), (13, 1545470), (17, 1181830), (26, 772735), (34, 590915), (65, 309094), (85, 236366), (130, 154547), (170, 118183), (221, 90910), (442, 45455), (1105, 18182), (2210, 9091)]