20876373

素因数分解:

$3^6\times 7^1\times {\mathrm{4091}}^1$

素因数の和:4116

約数の個数: 28

約数和(自身を含む): 35780448

約数和(自身を除く): 14904075

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 4091, 5103, 12273, 28637, 36819, 85911, 110457, 257733, 331371, 773199, 994113, 2319597, 2982339, 6958791, 20876373]

約数ペア:

[(1, 20876373), (3, 6958791), (7, 2982339), (9, 2319597), (21, 994113), (27, 773199), (63, 331371), (81, 257733), (189, 110457), (243, 85911), (567, 36819), (729, 28637), (1701, 12273), (4091, 5103)]