20994946

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20543}}^1$

素因数の和:20625

約数の個数: 16

約数和(自身を含む): 36486144

約数和(自身を除く): 15491198

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20543, 41086, 143801, 287602, 1499639, 2999278, 10497473, 20994946]

約数ペア:

[(1, 20994946), (2, 10497473), (7, 2999278), (14, 1499639), (73, 287602), (146, 143801), (511, 41086), (1022, 20543)]