20506635

素因数分解:

$3^3\times 5^1\times {\mathrm{151901}}^1$

素因数の和:151915

約数の個数: 16

約数和(自身を含む): 36456480

約数和(自身を除く): 15949845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151901, 455703, 759505, 1367109, 2278515, 4101327, 6835545, 20506635]

約数ペア:

[(1, 20506635), (3, 6835545), (5, 4101327), (9, 2278515), (15, 1367109), (27, 759505), (45, 455703), (135, 151901)]