13239820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5471}}^1$

素因数の和:5502

約数の個数: 36

約数和(自身を含む): 30566592

約数和(自身を除く): 17326772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5471, 10942, 21884, 27355, 54710, 60181, 109420, 120362, 240724, 300905, 601810, 661991, 1203620, 1323982, 2647964, 3309955, 6619910, 13239820]

約数ペア:

[(1, 13239820), (2, 6619910), (4, 3309955), (5, 2647964), (10, 1323982), (11, 1203620), (20, 661991), (22, 601810), (44, 300905), (55, 240724), (110, 120362), (121, 109420), (220, 60181), (242, 54710), (484, 27355), (605, 21884), (1210, 10942), (2420, 5471)]