20121328030

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2129}}^1\times {\mathrm{6343}}^1$

素因数の和:8628

約数の個数: 32

約数和(自身を含む): 36484344000

約数和(自身を除く): 16363015970

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 2129, 4258, 6343, 10645, 12686, 21290, 31715, 63430, 317221, 634442, 945107, 1586105, 1890214, 3172210, 4725535, 9451070, 13504247, 27008494, 67521235, 135042470, 2012132803, 4024265606, 10060664015, 20121328030]

約数ペア:

[(1, 20121328030), (2, 10060664015), (5, 4024265606), (10, 2012132803), (149, 135042470), (298, 67521235), (745, 27008494), (1490, 13504247), (2129, 9451070), (4258, 4725535), (6343, 3172210), (10645, 1890214), (12686, 1586105), (21290, 945107), (31715, 634442), (63430, 317221)]