66220780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{194767}}^1$

素因数の和:194793

約数の個数: 24

約数和(自身を含む): 147244608

約数和(自身を除く): 81023828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 194767, 389534, 779068, 973835, 1947670, 3311039, 3895340, 6622078, 13244156, 16555195, 33110390, 66220780]

約数ペア:

[(1, 66220780), (2, 33110390), (4, 16555195), (5, 13244156), (10, 6622078), (17, 3895340), (20, 3311039), (34, 1947670), (68, 973835), (85, 779068), (170, 389534), (340, 194767)]