20115135

素因数分解:

$3^4\times 5^1\times {\mathrm{49667}}^1$

素因数の和:49684

約数の個数: 20

約数和(自身を含む): 36058968

約数和(自身を除く): 15943833

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49667, 149001, 248335, 447003, 745005, 1341009, 2235015, 4023027, 6705045, 20115135]

約数ペア:

[(1, 20115135), (3, 6705045), (5, 4023027), (9, 2235015), (15, 1341009), (27, 745005), (45, 447003), (81, 248335), (135, 149001), (405, 49667)]