20165507920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5363167}}^1$

素因数の和:5363227

約数の個数: 40

約数和(自身を含む): 47882363904

約数和(自身を除く): 27716855984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5363167, 10726334, 21452668, 26815835, 42905336, 53631670, 85810672, 107263340, 214526680, 252068849, 429053360, 504137698, 1008275396, 1260344245, 2016550792, 2520688490, 4033101584, 5041376980, 10082753960, 20165507920]

約数ペア:

[(1, 20165507920), (2, 10082753960), (4, 5041376980), (5, 4033101584), (8, 2520688490), (10, 2016550792), (16, 1260344245), (20, 1008275396), (40, 504137698), (47, 429053360), (80, 252068849), (94, 214526680), (188, 107263340), (235, 85810672), (376, 53631670), (470, 42905336), (752, 26815835), (940, 21452668), (1880, 10726334), (3760, 5363167)]