20629750

素因数分解:

$2^1\times 5^3\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 18289130

約数列:

[1, 2, 5, 10, 25, 50, 125, 179, 250, 358, 461, 895, 922, 1790, 2305, 4475, 4610, 8950, 11525, 22375, 23050, 44750, 57625, 82519, 115250, 165038, 412595, 825190, 2062975, 4125950, 10314875, 20629750]

約数ペア:

[(1, 20629750), (2, 10314875), (5, 4125950), (10, 2062975), (25, 825190), (50, 412595), (125, 165038), (179, 115250), (250, 82519), (358, 57625), (461, 44750), (895, 23050), (922, 22375), (1790, 11525), (2305, 8950), (4475, 4610)]