20378625

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 35023872

約数和(自身を除く): 14645247

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 465, 775, 1753, 2325, 3875, 5259, 8765, 11625, 26295, 43825, 54343, 131475, 163029, 219125, 271715, 657375, 815145, 1358575, 4075725, 6792875, 20378625]

約数ペア:

[(1, 20378625), (3, 6792875), (5, 4075725), (15, 1358575), (25, 815145), (31, 657375), (75, 271715), (93, 219125), (125, 163029), (155, 131475), (375, 54343), (465, 43825), (775, 26295), (1753, 11625), (2325, 8765), (3875, 5259)]