20163989816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1451}}^1\times {\mathrm{102181}}^1$

素因数の和:103655

約数の個数: 32

約数和(自身を含む): 40059431280

約数和(自身を除く): 19895441464

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1451, 2902, 5804, 11608, 24667, 49334, 98668, 102181, 197336, 204362, 408724, 817448, 1737077, 3474154, 6948308, 13896616, 148264631, 296529262, 593058524, 1186117048, 2520498727, 5040997454, 10081994908, 20163989816]

約数ペア:

[(1, 20163989816), (2, 10081994908), (4, 5040997454), (8, 2520498727), (17, 1186117048), (34, 593058524), (68, 296529262), (136, 148264631), (1451, 13896616), (2902, 6948308), (5804, 3474154), (11608, 1737077), (24667, 817448), (49334, 408724), (98668, 204362), (102181, 197336)]