20793740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 48674304

約数和(自身を除く): 27880564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2011, 2068, 2585, 4022, 5170, 8044, 10055, 10340, 20110, 22121, 40220, 44242, 88484, 94517, 110605, 189034, 221210, 378068, 442420, 472585, 945170, 1039687, 1890340, 2079374, 4158748, 5198435, 10396870, 20793740]

約数ペア:

[(1, 20793740), (2, 10396870), (4, 5198435), (5, 4158748), (10, 2079374), (11, 1890340), (20, 1039687), (22, 945170), (44, 472585), (47, 442420), (55, 378068), (94, 221210), (110, 189034), (188, 110605), (220, 94517), (235, 88484), (470, 44242), (517, 40220), (940, 22121), (1034, 20110), (2011, 10340), (2068, 10055), (2585, 8044), (4022, 5170)]