20120158331

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{15767}}^1$

素因数の和:16203

約数の個数: 32

約数和(自身を含む): 25501271040

約数和(自身を除く): 5381112709

約数列:

[1, 7, 13, 37, 91, 259, 379, 481, 2653, 3367, 4927, 14023, 15767, 34489, 98161, 110369, 182299, 204971, 583379, 1276093, 1434797, 4083653, 5975693, 7583927, 41829851, 53087489, 77684009, 221100641, 543788063, 1547704487, 2874308333, 20120158331]

約数ペア:

[(1, 20120158331), (7, 2874308333), (13, 1547704487), (37, 543788063), (91, 221100641), (259, 77684009), (379, 53087489), (481, 41829851), (2653, 7583927), (3367, 5975693), (4927, 4083653), (14023, 1434797), (15767, 1276093), (34489, 583379), (98161, 204971), (110369, 182299)]