20451830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12703}}^1$

素因数の和:12740

約数の個数: 32

約数和(自身を含む): 43905024

約数和(自身を除く): 23453194

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12703, 25406, 63515, 88921, 127030, 177842, 292169, 444605, 584338, 889210, 1460845, 2045183, 2921690, 4090366, 10225915, 20451830]

約数ペア:

[(1, 20451830), (2, 10225915), (5, 4090366), (7, 2921690), (10, 2045183), (14, 1460845), (23, 889210), (35, 584338), (46, 444605), (70, 292169), (115, 177842), (161, 127030), (230, 88921), (322, 63515), (805, 25406), (1610, 12703)]