20212995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122503}}^1$

素因数の和:122522

約数の個数: 16

約数和(自身を含む): 35281152

約数和(自身を除く): 15068157

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 122503, 367509, 612515, 1347533, 1837545, 4042599, 6737665, 20212995]

約数ペア:

[(1, 20212995), (3, 6737665), (5, 4042599), (11, 1837545), (15, 1347533), (33, 612515), (55, 367509), (165, 122503)]