2015032820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{997541}}^1$

素因数の和:997651

約数の個数: 24

約数和(自身を含む): 4273469928

約数和(自身を除く): 2258437108

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 997541, 1995082, 3990164, 4987705, 9975410, 19950820, 100751641, 201503282, 403006564, 503758205, 1007516410, 2015032820]

約数ペア:

[(1, 2015032820), (2, 1007516410), (4, 503758205), (5, 403006564), (10, 201503282), (20, 100751641), (101, 19950820), (202, 9975410), (404, 4987705), (505, 3990164), (1010, 1995082), (2020, 997541)]