66705620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{196193}}^1$

素因数の和:196219

約数の個数: 24

約数和(自身を含む): 148322664

約数和(自身を除く): 81617044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 196193, 392386, 784772, 980965, 1961930, 3335281, 3923860, 6670562, 13341124, 16676405, 33352810, 66705620]

約数ペア:

[(1, 66705620), (2, 33352810), (4, 16676405), (5, 13341124), (10, 6670562), (17, 3923860), (20, 3335281), (34, 1961930), (68, 980965), (85, 784772), (170, 392386), (340, 196193)]