20793915

素因数分解:

$3^4\times 5^1\times {\mathrm{51343}}^1$

素因数の和:51360

約数の個数: 20

約数和(自身を含む): 37275744

約数和(自身を除く): 16481829

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51343, 154029, 256715, 462087, 770145, 1386261, 2310435, 4158783, 6931305, 20793915]

約数ペア:

[(1, 20793915), (3, 6931305), (5, 4158783), (9, 2310435), (15, 1386261), (27, 770145), (45, 462087), (81, 256715), (135, 154029), (405, 51343)]