20887956

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2842

約数の個数: 60

約数和(自身を含む): 56999712

約数和(自身を除く): 36111756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2803, 3726, 5606, 7452, 8409, 11212, 16818, 25227, 33636, 50454, 64469, 75681, 100908, 128938, 151362, 193407, 227043, 257876, 302724, 386814, 454086, 580221, 773628, 908172, 1160442, 1740663, 2320884, 3481326, 5221989, 6962652, 10443978, 20887956]

約数ペア:

[(1, 20887956), (2, 10443978), (3, 6962652), (4, 5221989), (6, 3481326), (9, 2320884), (12, 1740663), (18, 1160442), (23, 908172), (27, 773628), (36, 580221), (46, 454086), (54, 386814), (69, 302724), (81, 257876), (92, 227043), (108, 193407), (138, 151362), (162, 128938), (207, 100908), (276, 75681), (324, 64469), (414, 50454), (621, 33636), (828, 25227), (1242, 16818), (1863, 11212), (2484, 8409), (2803, 7452), (3726, 5606)]