20404326

素因数分解:

$2^1\times 3^1\times {\mathrm{487}}^1\times {\mathrm{6983}}^1$

素因数の和:7475

約数の個数: 16

約数和(自身を含む): 40898304

約数和(自身を除く): 20493978

約数列:

[1, 2, 3, 6, 487, 974, 1461, 2922, 6983, 13966, 20949, 41898, 3400721, 6801442, 10202163, 20404326]

約数ペア:

[(1, 20404326), (2, 10202163), (3, 6801442), (6, 3400721), (487, 41898), (974, 20949), (1461, 13966), (2922, 6983)]