20816770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3407}}^1$

素因数の和:3474

約数の個数: 32

約数和(自身を含む): 41223168

約数和(自身を除く): 20406398

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3407, 6110, 6814, 17035, 34070, 44291, 88582, 160129, 221455, 320258, 442910, 800645, 1601290, 2081677, 4163354, 10408385, 20816770]

約数ペア:

[(1, 20816770), (2, 10408385), (5, 4163354), (10, 2081677), (13, 1601290), (26, 800645), (47, 442910), (65, 320258), (94, 221455), (130, 160129), (235, 88582), (470, 44291), (611, 34070), (1222, 17035), (3055, 6814), (3407, 6110)]