20922878

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1363

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11217922

約数列:

[1, 2, 61, 122, 149, 298, 1151, 2302, 9089, 18178, 70211, 140422, 171499, 342998, 10461439, 20922878]

約数ペア:

[(1, 20922878), (2, 10461439), (61, 342998), (122, 171499), (149, 140422), (298, 70211), (1151, 18178), (2302, 9089)]