20131570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18748430

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 1499, 2686, 2998, 6715, 7495, 13430, 14990, 25483, 50966, 118421, 127415, 236842, 254830, 592105, 1184210, 2013157, 4026314, 10065785, 20131570]

約数ペア:

[(1, 20131570), (2, 10065785), (5, 4026314), (10, 2013157), (17, 1184210), (34, 592105), (79, 254830), (85, 236842), (158, 127415), (170, 118421), (395, 50966), (790, 25483), (1343, 14990), (1499, 13430), (2686, 7495), (2998, 6715)]