20129505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121997}}^1$

素因数の和:122016

約数の個数: 16

約数和(自身を含む): 35135424

約数和(自身を除く): 15005919

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121997, 365991, 609985, 1341967, 1829955, 4025901, 6709835, 20129505]

約数ペア:

[(1, 20129505), (3, 6709835), (5, 4025901), (11, 1829955), (15, 1341967), (33, 609985), (55, 365991), (165, 121997)]