20852172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4787}}^1$

素因数の和:4819

約数の個数: 54

約数和(自身を含む): 57949164

約数和(自身を除く): 37096992

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4787, 9574, 14361, 19148, 28722, 43083, 52657, 57444, 86166, 105314, 157971, 172332, 210628, 315942, 473913, 579227, 631884, 947826, 1158454, 1737681, 1895652, 2316908, 3475362, 5213043, 6950724, 10426086, 20852172]

約数ペア:

[(1, 20852172), (2, 10426086), (3, 6950724), (4, 5213043), (6, 3475362), (9, 2316908), (11, 1895652), (12, 1737681), (18, 1158454), (22, 947826), (33, 631884), (36, 579227), (44, 473913), (66, 315942), (99, 210628), (121, 172332), (132, 157971), (198, 105314), (242, 86166), (363, 57444), (396, 52657), (484, 43083), (726, 28722), (1089, 19148), (1452, 14361), (2178, 9574), (4356, 4787)]