20187091578

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78244541}}^1$

素因数の和:78244589

約数の個数: 16

約数和(自身を含む): 41313118176

約数和(自身を除く): 21126026598

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78244541, 156489082, 234733623, 469467246, 3364515263, 6729030526, 10093545789, 20187091578]

約数ペア:

[(1, 20187091578), (2, 10093545789), (3, 6729030526), (6, 3364515263), (43, 469467246), (86, 234733623), (129, 156489082), (258, 78244541)]