20492505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41399}}^1$

素因数の和:41421

約数の個数: 24

約数和(自身を含む): 38750400

約数和(自身を除く): 18257895

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41399, 124197, 206995, 372591, 455389, 620985, 1366167, 1862955, 2276945, 4098501, 6830835, 20492505]

約数ペア:

[(1, 20492505), (3, 6830835), (5, 4098501), (9, 2276945), (11, 1862955), (15, 1366167), (33, 620985), (45, 455389), (55, 372591), (99, 206995), (165, 124197), (495, 41399)]