20498385

素因数分解:

$3^1\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1471}}^1$

素因数の和:2408

約数の個数: 16

約数和(自身を含む): 32855040

約数和(自身を除く): 12356655

約数列:

[1, 3, 5, 15, 929, 1471, 2787, 4413, 4645, 7355, 13935, 22065, 1366559, 4099677, 6832795, 20498385]

約数ペア:

[(1, 20498385), (3, 6832795), (5, 4099677), (15, 1366559), (929, 22065), (1471, 13935), (2787, 7355), (4413, 4645)]