20272340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8377}}^1$

素因数の和:8408

約数の個数: 36

約数和(自身を含む): 46799508

約数和(自身を除く): 26527168

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8377, 16754, 33508, 41885, 83770, 92147, 167540, 184294, 368588, 460735, 921470, 1013617, 1842940, 2027234, 4054468, 5068085, 10136170, 20272340]

約数ペア:

[(1, 20272340), (2, 10136170), (4, 5068085), (5, 4054468), (10, 2027234), (11, 1842940), (20, 1013617), (22, 921470), (44, 460735), (55, 368588), (110, 184294), (121, 167540), (220, 92147), (242, 83770), (484, 41885), (605, 33508), (1210, 16754), (2420, 8377)]