20139949904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1031}}^1\times {\mathrm{28393}}^1$

素因数の和:29475

約数の個数: 40

約数和(自身を含む): 39968757312

約数和(自身を除く): 19828807408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1031, 2062, 4124, 8248, 16496, 28393, 44333, 56786, 88666, 113572, 177332, 227144, 354664, 454288, 709328, 1220899, 2441798, 4883596, 9767192, 19534384, 29273183, 58546366, 117092732, 234185464, 468370928, 1258746869, 2517493738, 5034987476, 10069974952, 20139949904]

約数ペア:

[(1, 20139949904), (2, 10069974952), (4, 5034987476), (8, 2517493738), (16, 1258746869), (43, 468370928), (86, 234185464), (172, 117092732), (344, 58546366), (688, 29273183), (1031, 19534384), (2062, 9767192), (4124, 4883596), (8248, 2441798), (16496, 1220899), (28393, 709328), (44333, 454288), (56786, 354664), (88666, 227144), (113572, 177332)]