20571237

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 30958200

約数和(自身を除く): 10386963

約数列:

[1, 3, 9, 29, 87, 261, 269, 293, 807, 879, 2421, 2637, 7801, 8497, 23403, 25491, 70209, 76473, 78817, 236451, 709353, 2285693, 6857079, 20571237]

約数ペア:

[(1, 20571237), (3, 6857079), (9, 2285693), (29, 709353), (87, 236451), (261, 78817), (269, 76473), (293, 70209), (807, 25491), (879, 23403), (2421, 8497), (2637, 7801)]