20376153

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1151}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 33785856

約数和(自身を除く): 13409703

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1151, 1967, 2529, 3453, 5901, 8057, 10359, 17703, 24171, 72513, 323431, 970293, 2264017, 2910879, 6792051, 20376153]

約数ペア:

[(1, 20376153), (3, 6792051), (7, 2910879), (9, 2264017), (21, 970293), (63, 323431), (281, 72513), (843, 24171), (1151, 17703), (1967, 10359), (2529, 8057), (3453, 5901)]