20270890

素因数分解:

$2^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1951}}^1$

素因数の和:2997

約数の個数: 16

約数和(自身を含む): 36541440

約数和(自身を除く): 16270550

約数列:

[1, 2, 5, 10, 1039, 1951, 2078, 3902, 5195, 9755, 10390, 19510, 2027089, 4054178, 10135445, 20270890]

約数ペア:

[(1, 20270890), (2, 10135445), (5, 4054178), (10, 2027089), (1039, 19510), (1951, 10390), (2078, 9755), (3902, 5195)]