20297412

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{1153}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 52991680

約数和(自身を除く): 32694268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1153, 1467, 1956, 2306, 2934, 3459, 4401, 4612, 5868, 6918, 8802, 10377, 13836, 17604, 20754, 31131, 41508, 62262, 124524, 187939, 375878, 563817, 751756, 1127634, 1691451, 2255268, 3382902, 5074353, 6765804, 10148706, 20297412]

約数ペア:

[(1, 20297412), (2, 10148706), (3, 6765804), (4, 5074353), (6, 3382902), (9, 2255268), (12, 1691451), (18, 1127634), (27, 751756), (36, 563817), (54, 375878), (108, 187939), (163, 124524), (326, 62262), (489, 41508), (652, 31131), (978, 20754), (1153, 17604), (1467, 13836), (1956, 10377), (2306, 8802), (2934, 6918), (3459, 5868), (4401, 4612)]