20379040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11579}}^1$

素因数の和:11605

約数の個数: 48

約数和(自身を含む): 52526880

約数和(自身を除く): 32147840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11579, 23158, 46316, 57895, 92632, 115790, 127369, 185264, 231580, 254738, 370528, 463160, 509476, 636845, 926320, 1018952, 1273690, 1852640, 2037904, 2547380, 4075808, 5094760, 10189520, 20379040]

約数ペア:

[(1, 20379040), (2, 10189520), (4, 5094760), (5, 4075808), (8, 2547380), (10, 2037904), (11, 1852640), (16, 1273690), (20, 1018952), (22, 926320), (32, 636845), (40, 509476), (44, 463160), (55, 370528), (80, 254738), (88, 231580), (110, 185264), (160, 127369), (176, 115790), (220, 92632), (352, 57895), (440, 46316), (880, 23158), (1760, 11579)]