20553035

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 25415040

約数和(自身を除く): 4862005

約数列:

[1, 5, 61, 79, 305, 395, 853, 4265, 4819, 24095, 52033, 67387, 260165, 336935, 4110607, 20553035]

約数ペア:

[(1, 20553035), (5, 4110607), (61, 336935), (79, 260165), (305, 67387), (395, 52033), (853, 24095), (4265, 4819)]