20827935

素因数分解:

$3^4\times 5^1\times {\mathrm{51427}}^1$

素因数の和:51444

約数の個数: 20

約数和(自身を含む): 37336728

約数和(自身を除く): 16508793

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51427, 154281, 257135, 462843, 771405, 1388529, 2314215, 4165587, 6942645, 20827935]

約数ペア:

[(1, 20827935), (3, 6942645), (5, 4165587), (9, 2314215), (15, 1388529), (27, 771405), (45, 462843), (81, 257135), (135, 154281), (405, 51427)]