20682896

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7649}}^1$

素因数の和:7683

約数の個数: 30

約数和(自身を含む): 43398450

約数和(自身を除く): 22715554

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7649, 15298, 30596, 61192, 99437, 122384, 198874, 397748, 795496, 1292681, 1590992, 2585362, 5170724, 10341448, 20682896]

約数ペア:

[(1, 20682896), (2, 10341448), (4, 5170724), (8, 2585362), (13, 1590992), (16, 1292681), (26, 795496), (52, 397748), (104, 198874), (169, 122384), (208, 99437), (338, 61192), (676, 30596), (1352, 15298), (2704, 7649)]