20452995

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7451}}^1$

素因数の和:7523

約数の個数: 24

約数和(自身を含む): 36037872

約数和(自身を除く): 15584877

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 7451, 22353, 37255, 67059, 111765, 335295, 454511, 1363533, 2272555, 4090599, 6817665, 20452995]

約数ペア:

[(1, 20452995), (3, 6817665), (5, 4090599), (9, 2272555), (15, 1363533), (45, 454511), (61, 335295), (183, 111765), (305, 67059), (549, 37255), (915, 22353), (2745, 7451)]