20808768476

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1\times {\mathrm{2887}}^1$

素因数の和:4530

約数の個数: 48

約数和(自身を含む): 38643935232

約数和(自身を除く): 17835166756

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 1571, 2294, 2887, 3142, 4588, 5774, 6284, 11548, 48701, 58127, 89497, 97402, 106819, 116254, 178994, 194804, 213638, 232508, 357988, 427276, 1801937, 3311389, 3603874, 4535477, 6622778, 7207748, 9070954, 13245556, 18141908, 140599787, 167812649, 281199574, 335625298, 562399148, 671250596, 5202192119, 10404384238, 20808768476]

約数ペア:

[(1, 20808768476), (2, 10404384238), (4, 5202192119), (31, 671250596), (37, 562399148), (62, 335625298), (74, 281199574), (124, 167812649), (148, 140599787), (1147, 18141908), (1571, 13245556), (2294, 9070954), (2887, 7207748), (3142, 6622778), (4588, 4535477), (5774, 3603874), (6284, 3311389), (11548, 1801937), (48701, 427276), (58127, 357988), (89497, 232508), (97402, 213638), (106819, 194804), (116254, 178994)]