20148289833

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{2441}}^1$

素因数の和:2758

約数の個数: 64

約数和(自身を含む): 32782970880

約数和(自身を除く): 12634681047

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 151, 399, 411, 453, 959, 1057, 2441, 2603, 2869, 2877, 3171, 7323, 7809, 8607, 17087, 18221, 20083, 20687, 46379, 51261, 54663, 60249, 62061, 139137, 144809, 324653, 334417, 368591, 393053, 434427, 973959, 1003251, 1105773, 1179159, 2340919, 2580137, 2751371, 6353923, 7003229, 7022757, 7740411, 8254113, 19061769, 21009687, 44477461, 49022603, 50496967, 133432383, 147067809, 151490901, 353478769, 959442373, 1060436307, 2878327119, 6716096611, 20148289833]

約数ペア:

[(1, 20148289833), (3, 6716096611), (7, 2878327119), (19, 1060436307), (21, 959442373), (57, 353478769), (133, 151490901), (137, 147067809), (151, 133432383), (399, 50496967), (411, 49022603), (453, 44477461), (959, 21009687), (1057, 19061769), (2441, 8254113), (2603, 7740411), (2869, 7022757), (2877, 7003229), (3171, 6353923), (7323, 2751371), (7809, 2580137), (8607, 2340919), (17087, 1179159), (18221, 1105773), (20083, 1003251), (20687, 973959), (46379, 434427), (51261, 393053), (54663, 368591), (60249, 334417), (62061, 324653), (139137, 144809)]