20910887

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 23232000

約数和(自身を除く): 2321113

約数列:

[1, 19, 23, 109, 437, 439, 2071, 2507, 8341, 10097, 47633, 47851, 191843, 909169, 1100573, 20910887]

約数ペア:

[(1, 20910887), (19, 1100573), (23, 909169), (109, 191843), (437, 47851), (439, 47633), (2071, 10097), (2507, 8341)]