20797605

素因数分解:

$3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{769}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 36156120

約数和(自身を除く): 15358515

約数列:

[1, 3, 5, 9, 15, 45, 601, 769, 1803, 2307, 3005, 3845, 5409, 6921, 9015, 11535, 27045, 34605, 462169, 1386507, 2310845, 4159521, 6932535, 20797605]

約数ペア:

[(1, 20797605), (3, 6932535), (5, 4159521), (9, 2310845), (15, 1386507), (45, 462169), (601, 34605), (769, 27045), (1803, 11535), (2307, 9015), (3005, 6921), (3845, 5409)]