20033804

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 41583360

約数和(自身を除く): 21549556

約数列:

[1, 2, 4, 7, 14, 28, 59, 67, 118, 134, 181, 236, 268, 362, 413, 469, 724, 826, 938, 1267, 1652, 1876, 2534, 3953, 5068, 7906, 10679, 12127, 15812, 21358, 24254, 27671, 42716, 48508, 55342, 74753, 84889, 110684, 149506, 169778, 299012, 339556, 715493, 1430986, 2861972, 5008451, 10016902, 20033804]

約数ペア:

[(1, 20033804), (2, 10016902), (4, 5008451), (7, 2861972), (14, 1430986), (28, 715493), (59, 339556), (67, 299012), (118, 169778), (134, 149506), (181, 110684), (236, 84889), (268, 74753), (362, 55342), (413, 48508), (469, 42716), (724, 27671), (826, 24254), (938, 21358), (1267, 15812), (1652, 12127), (1876, 10679), (2534, 7906), (3953, 5068)]