20512541859

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{21577}}^1$

素因数の和:21811

約数の個数: 32

約数和(自身を含む): 28710823680

約数和(自身を除く): 8198281821

約数列:

[1, 3, 41, 59, 123, 131, 177, 393, 2419, 5371, 7257, 7729, 16113, 21577, 23187, 64731, 316889, 884657, 950667, 1273043, 2653971, 2826587, 3819129, 8479761, 52194763, 115890067, 156584289, 166768633, 347670201, 500305899, 6837513953, 20512541859]

約数ペア:

[(1, 20512541859), (3, 6837513953), (41, 500305899), (59, 347670201), (123, 166768633), (131, 156584289), (177, 115890067), (393, 52194763), (2419, 8479761), (5371, 3819129), (7257, 2826587), (7729, 2653971), (16113, 1273043), (21577, 950667), (23187, 884657), (64731, 316889)]