20015280166

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{123449}}^1$

素因数の和:123808

約数の個数: 32

約数和(自身を含む): 35352129600

約数和(自身を除く): 15336849434

約数列:

[1, 2, 7, 14, 37, 74, 259, 313, 518, 626, 2191, 4382, 11581, 23162, 81067, 123449, 162134, 246898, 864143, 1728286, 4567613, 9135226, 31973291, 38639537, 63946582, 77279074, 270476759, 540953518, 1429662869, 2859325738, 10007640083, 20015280166]

約数ペア:

[(1, 20015280166), (2, 10007640083), (7, 2859325738), (14, 1429662869), (37, 540953518), (74, 270476759), (259, 77279074), (313, 63946582), (518, 38639537), (626, 31973291), (2191, 9135226), (4382, 4567613), (11581, 1728286), (23162, 864143), (81067, 246898), (123449, 162134)]