20531283

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2466

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 7918509

約数列:

[1, 3, 41, 71, 123, 213, 2351, 2911, 7053, 8733, 96391, 166921, 289173, 500763, 6843761, 20531283]

約数ペア:

[(1, 20531283), (3, 6843761), (41, 500763), (71, 289173), (123, 166921), (213, 96391), (2351, 8733), (2911, 7053)]