20969748

素因数分解:

$2^2\times 3^2\times {\mathrm{313}}^1\times {\mathrm{1861}}^1$

素因数の和:2184

約数の個数: 36

約数和(自身を含む): 53204788

約数和(自身を除く): 32235040

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 313, 626, 939, 1252, 1861, 1878, 2817, 3722, 3756, 5583, 5634, 7444, 11166, 11268, 16749, 22332, 33498, 66996, 582493, 1164986, 1747479, 2329972, 3494958, 5242437, 6989916, 10484874, 20969748]

約数ペア:

[(1, 20969748), (2, 10484874), (3, 6989916), (4, 5242437), (6, 3494958), (9, 2329972), (12, 1747479), (18, 1164986), (36, 582493), (313, 66996), (626, 33498), (939, 22332), (1252, 16749), (1861, 11268), (1878, 11166), (2817, 7444), (3722, 5634), (3756, 5583)]