20759818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{829}}^1$

素因数の和:1509

約数の個数: 16

約数和(自身を含む): 32868000

約数和(自身を除く): 12108182

約数列:

[1, 2, 19, 38, 659, 829, 1318, 1658, 12521, 15751, 25042, 31502, 546311, 1092622, 10379909, 20759818]

約数ペア:

[(1, 20759818), (2, 10379909), (19, 1092622), (38, 546311), (659, 31502), (829, 25042), (1318, 15751), (1658, 12521)]