20085750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 55486080

約数和(自身を除く): 35400330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 79, 90, 113, 125, 150, 158, 225, 226, 237, 250, 339, 375, 395, 450, 474, 565, 678, 711, 750, 790, 1017, 1125, 1130, 1185, 1422, 1695, 1975, 2034, 2250, 2370, 2825, 3390, 3555, 3950, 5085, 5650, 5925, 7110, 8475, 8927, 9875, 10170, 11850, 14125, 16950, 17775, 17854, 19750, 25425, 26781, 28250, 29625, 35550, 42375, 44635, 50850, 53562, 59250, 80343, 84750, 88875, 89270, 127125, 133905, 160686, 177750, 223175, 254250, 267810, 401715, 446350, 669525, 803430, 1115875, 1339050, 2008575, 2231750, 3347625, 4017150, 6695250, 10042875, 20085750]

約数ペア:

[(1, 20085750), (2, 10042875), (3, 6695250), (5, 4017150), (6, 3347625), (9, 2231750), (10, 2008575), (15, 1339050), (18, 1115875), (25, 803430), (30, 669525), (45, 446350), (50, 401715), (75, 267810), (79, 254250), (90, 223175), (113, 177750), (125, 160686), (150, 133905), (158, 127125), (225, 89270), (226, 88875), (237, 84750), (250, 80343), (339, 59250), (375, 53562), (395, 50850), (450, 44635), (474, 42375), (565, 35550), (678, 29625), (711, 28250), (750, 26781), (790, 25425), (1017, 19750), (1125, 17854), (1130, 17775), (1185, 16950), (1422, 14125), (1695, 11850), (1975, 10170), (2034, 9875), (2250, 8927), (2370, 8475), (2825, 7110), (3390, 5925), (3555, 5650), (3950, 5085)]