20559609

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{601}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 35060480

約数和(自身を除く): 14500871

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 601, 1267, 1629, 1803, 3801, 4207, 4887, 5409, 11403, 12621, 16227, 34209, 37863, 108781, 113589, 326343, 761467, 979029, 2284401, 2937087, 6853203, 20559609]

約数ペア:

[(1, 20559609), (3, 6853203), (7, 2937087), (9, 2284401), (21, 979029), (27, 761467), (63, 326343), (181, 113589), (189, 108781), (543, 37863), (601, 34209), (1267, 16227), (1629, 12621), (1803, 11403), (3801, 5409), (4207, 4887)]