20176918218

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1279}}^1\times {\mathrm{23687}}^1$

素因数の和:25011

約数の個数: 48

約数和(自身を含む): 44935188480

約数和(自身を除く): 24758270262

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 1279, 2558, 3837, 7674, 11511, 23022, 23687, 47323, 47374, 71061, 94646, 141969, 142122, 213183, 283938, 425907, 426366, 851814, 876419, 1752838, 2629257, 5258514, 7887771, 15775542, 30295673, 60591346, 90887019, 181774038, 272661057, 545322114, 1120939901, 2241879802, 3362819703, 6725639406, 10088459109, 20176918218]

約数ペア:

[(1, 20176918218), (2, 10088459109), (3, 6725639406), (6, 3362819703), (9, 2241879802), (18, 1120939901), (37, 545322114), (74, 272661057), (111, 181774038), (222, 90887019), (333, 60591346), (666, 30295673), (1279, 15775542), (2558, 7887771), (3837, 5258514), (7674, 2629257), (11511, 1752838), (23022, 876419), (23687, 851814), (47323, 426366), (47374, 425907), (71061, 283938), (94646, 213183), (141969, 142122)]