20007832078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{278917}}^1$

素因数の和:279052

約数の個数: 32

約数和(自身を含む): 33737921280

約数和(自身を除く): 13730089202

約数列:

[1, 2, 13, 26, 31, 62, 89, 178, 403, 806, 1157, 2314, 2759, 5518, 35867, 71734, 278917, 557834, 3625921, 7251842, 8646427, 17292854, 24823613, 49647226, 112403551, 224807102, 322706969, 645413938, 769532003, 1539064006, 10003916039, 20007832078]

約数ペア:

[(1, 20007832078), (2, 10003916039), (13, 1539064006), (26, 769532003), (31, 645413938), (62, 322706969), (89, 224807102), (178, 112403551), (403, 49647226), (806, 24823613), (1157, 17292854), (2314, 8646427), (2759, 7251842), (5518, 3625921), (35867, 557834), (71734, 278917)]