20306402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2129}}^1$

素因数の和:2401

約数の個数: 16

約数和(自身を含む): 32205600

約数和(自身を除く): 11899198

約数列:

[1, 2, 19, 38, 251, 502, 2129, 4258, 4769, 9538, 40451, 80902, 534379, 1068758, 10153201, 20306402]

約数ペア:

[(1, 20306402), (2, 10153201), (19, 1068758), (38, 534379), (251, 80902), (502, 40451), (2129, 9538), (4258, 4769)]