20206985757

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1\times {\mathrm{19259}}^1$

素因数の和:22225

約数の個数: 32

約数和(自身を含む): 32615654400

約数和(自身を除く): 12408668643

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2939, 8817, 19259, 20573, 49963, 57777, 61719, 134813, 149889, 327403, 349741, 404439, 982209, 1049223, 2291821, 6875463, 56602201, 169806603, 396215407, 962237417, 1188646221, 2886712251, 6735661919, 20206985757]

約数ペア:

[(1, 20206985757), (3, 6735661919), (7, 2886712251), (17, 1188646221), (21, 962237417), (51, 396215407), (119, 169806603), (357, 56602201), (2939, 6875463), (8817, 2291821), (19259, 1049223), (20573, 982209), (49963, 404439), (57777, 349741), (61719, 327403), (134813, 149889)]