20269964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35437}}^1$

素因数の和:35465

約数の個数: 24

約数和(自身を含む): 41675088

約数和(自身を除く): 21405124

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35437, 70874, 141748, 389807, 460681, 779614, 921362, 1559228, 1842724, 5067491, 10134982, 20269964]

約数ペア:

[(1, 20269964), (2, 10134982), (4, 5067491), (11, 1842724), (13, 1559228), (22, 921362), (26, 779614), (44, 460681), (52, 389807), (143, 141748), (286, 70874), (572, 35437)]