20899878

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{31957}}^1$

素因数の和:32071

約数の個数: 16

約数和(自身を含む): 42184560

約数和(自身を除く): 21284682

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 31957, 63914, 95871, 191742, 3483313, 6966626, 10449939, 20899878]

約数ペア:

[(1, 20899878), (2, 10449939), (3, 6966626), (6, 3483313), (109, 191742), (218, 95871), (327, 63914), (654, 31957)]