20268160

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2879}}^1$

素因数の和:2909

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32608640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2879, 3520, 5758, 7040, 11516, 14395, 23032, 28790, 31669, 46064, 57580, 63338, 92128, 115160, 126676, 158345, 184256, 230320, 253352, 316690, 368512, 460640, 506704, 633380, 921280, 1013408, 1266760, 1842560, 2026816, 2533520, 4053632, 5067040, 10134080, 20268160]

約数ペア:

[(1, 20268160), (2, 10134080), (4, 5067040), (5, 4053632), (8, 2533520), (10, 2026816), (11, 1842560), (16, 1266760), (20, 1013408), (22, 921280), (32, 633380), (40, 506704), (44, 460640), (55, 368512), (64, 316690), (80, 253352), (88, 230320), (110, 184256), (128, 158345), (160, 126676), (176, 115160), (220, 92128), (320, 63338), (352, 57580), (440, 46064), (640, 31669), (704, 28790), (880, 23032), (1408, 14395), (1760, 11516), (2879, 7040), (3520, 5758)]