20347938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6689}}^1$

素因数の和:6723

約数の個数: 36

約数和(自身を含む): 47746530

約数和(自身を除く): 27398592

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6689, 13378, 20067, 40134, 60201, 86957, 120402, 173914, 260871, 521742, 782613, 1130441, 1565226, 2260882, 3391323, 6782646, 10173969, 20347938]

約数ペア:

[(1, 20347938), (2, 10173969), (3, 6782646), (6, 3391323), (9, 2260882), (13, 1565226), (18, 1130441), (26, 782613), (39, 521742), (78, 260871), (117, 173914), (169, 120402), (234, 86957), (338, 60201), (507, 40134), (1014, 20067), (1521, 13378), (3042, 6689)]