20810998

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2677}}^1$

素因数の和:2728

約数の個数: 24

約数和(自身を含む): 35285328

約数和(自身を除く): 14474330

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 2677, 3887, 5354, 7774, 34801, 61571, 69602, 123142, 452413, 800423, 904826, 1600846, 10405499, 20810998]

約数ペア:

[(1, 20810998), (2, 10405499), (13, 1600846), (23, 904826), (26, 800423), (46, 452413), (169, 123142), (299, 69602), (338, 61571), (598, 34801), (2677, 7774), (3887, 5354)]