2020366971

素因数分解:

$3^2\times 7^2\times {\mathrm{4581331}}^1$

素因数の和:4581351

約数の個数: 18

約数和(自身を含む): 3394767012

約数和(自身を除く): 1374400041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4581331, 13743993, 32069317, 41231979, 96207951, 224485219, 288623853, 673455657, 2020366971]

約数ペア:

[(1, 2020366971), (3, 673455657), (7, 288623853), (9, 224485219), (21, 96207951), (49, 41231979), (63, 32069317), (147, 13743993), (441, 4581331)]