20993923106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{66959}}^1$

素因数の和:67394

約数の個数: 32

約数和(自身を含む): 35097753600

約数和(自身を除く): 14103830494

約数列:

[1, 2, 13, 26, 31, 62, 389, 403, 778, 806, 5057, 10114, 12059, 24118, 66959, 133918, 156767, 313534, 870467, 1740934, 2075729, 4151458, 26047051, 26984477, 52094102, 53968954, 338611663, 677223326, 807458581, 1614917162, 10496961553, 20993923106]

約数ペア:

[(1, 20993923106), (2, 10496961553), (13, 1614917162), (26, 807458581), (31, 677223326), (62, 338611663), (389, 53968954), (403, 52094102), (778, 26984477), (806, 26047051), (5057, 4151458), (10114, 2075729), (12059, 1740934), (24118, 870467), (66959, 313534), (133918, 156767)]