20148222770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4999559}}^1$

素因数の和:4999610

約数の個数: 32

約数和(自身を含む): 40316451840

約数和(自身を除く): 20168229070

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4999559, 9999118, 24997795, 49995590, 64994267, 129988534, 154986329, 309972658, 324971335, 649942670, 774931645, 1549863290, 2014822277, 4029644554, 10074111385, 20148222770]

約数ペア:

[(1, 20148222770), (2, 10074111385), (5, 4029644554), (10, 2014822277), (13, 1549863290), (26, 774931645), (31, 649942670), (62, 324971335), (65, 309972658), (130, 154986329), (155, 129988534), (310, 64994267), (403, 49995590), (806, 24997795), (2015, 9999118), (4030, 4999559)]