20996870517

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{409943}}^1$

素因数の和:410230

約数の個数: 32

約数和(自身を含む): 35681525760

約数和(自身を除く): 14684655243

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 813, 1897, 2439, 5691, 7317, 17073, 51219, 409943, 1229829, 2869601, 3689487, 8608803, 11068461, 25826409, 77479227, 111094553, 333283659, 777661871, 999850977, 2332985613, 2999552931, 6998956839, 20996870517]

約数ペア:

[(1, 20996870517), (3, 6998956839), (7, 2999552931), (9, 2332985613), (21, 999850977), (27, 777661871), (63, 333283659), (189, 111094553), (271, 77479227), (813, 25826409), (1897, 11068461), (2439, 8608803), (5691, 3689487), (7317, 2869601), (17073, 1229829), (51219, 409943)]