20157119

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 22243680

約数和(自身を除く): 2086561

約数列:

[1, 19, 37, 53, 541, 703, 1007, 1961, 10279, 20017, 28673, 37259, 380323, 544787, 1060901, 20157119]

約数ペア:

[(1, 20157119), (19, 1060901), (37, 544787), (53, 380323), (541, 37259), (703, 28673), (1007, 20017), (1961, 10279)]