20359898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18211}}^1$

素因数の和:18269

約数の個数: 16

約数和(自身を含む): 33655776

約数和(自身を除く): 13295878

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18211, 36422, 236743, 473486, 783073, 1566146, 10179949, 20359898]

約数ペア:

[(1, 20359898), (2, 10179949), (13, 1566146), (26, 783073), (43, 473486), (86, 236743), (559, 36422), (1118, 18211)]