20900334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 31193106

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 101, 182, 202, 273, 303, 379, 546, 606, 707, 758, 1137, 1313, 1414, 2121, 2274, 2626, 2653, 3939, 4242, 4927, 5306, 7878, 7959, 9191, 9854, 14781, 15918, 18382, 27573, 29562, 34489, 38279, 55146, 68978, 76558, 103467, 114837, 206934, 229674, 267953, 497627, 535906, 803859, 995254, 1492881, 1607718, 2985762, 3483389, 6966778, 10450167, 20900334]

約数ペア:

[(1, 20900334), (2, 10450167), (3, 6966778), (6, 3483389), (7, 2985762), (13, 1607718), (14, 1492881), (21, 995254), (26, 803859), (39, 535906), (42, 497627), (78, 267953), (91, 229674), (101, 206934), (182, 114837), (202, 103467), (273, 76558), (303, 68978), (379, 55146), (546, 38279), (606, 34489), (707, 29562), (758, 27573), (1137, 18382), (1313, 15918), (1414, 14781), (2121, 9854), (2274, 9191), (2626, 7959), (2653, 7878), (3939, 5306), (4242, 4927)]