20205552

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 55488512

約数和(自身を除く): 35282960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 37, 48, 62, 74, 93, 111, 124, 148, 186, 222, 248, 296, 367, 372, 444, 496, 592, 734, 744, 888, 1101, 1147, 1468, 1488, 1776, 2202, 2294, 2936, 3441, 4404, 4588, 5872, 6882, 8808, 9176, 11377, 13579, 13764, 17616, 18352, 22754, 27158, 27528, 34131, 40737, 45508, 54316, 55056, 68262, 81474, 91016, 108632, 136524, 162948, 182032, 217264, 273048, 325896, 420949, 546096, 651792, 841898, 1262847, 1683796, 2525694, 3367592, 5051388, 6735184, 10102776, 20205552]

約数ペア:

[(1, 20205552), (2, 10102776), (3, 6735184), (4, 5051388), (6, 3367592), (8, 2525694), (12, 1683796), (16, 1262847), (24, 841898), (31, 651792), (37, 546096), (48, 420949), (62, 325896), (74, 273048), (93, 217264), (111, 182032), (124, 162948), (148, 136524), (186, 108632), (222, 91016), (248, 81474), (296, 68262), (367, 55056), (372, 54316), (444, 45508), (496, 40737), (592, 34131), (734, 27528), (744, 27158), (888, 22754), (1101, 18352), (1147, 17616), (1468, 13764), (1488, 13579), (1776, 11377), (2202, 9176), (2294, 8808), (2936, 6882), (3441, 5872), (4404, 4588)]