20702283

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4231}}^1$

素因数の和:4474

約数の個数: 16

約数和(自身を含む): 31689216

約数和(自身を除く): 10986933

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4231, 4893, 12693, 29617, 88851, 985823, 2957469, 6900761, 20702283]

約数ペア:

[(1, 20702283), (3, 6900761), (7, 2957469), (21, 985823), (233, 88851), (699, 29617), (1631, 12693), (4231, 4893)]