20499138

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5449}}^1$

素因数の和:5487

約数の個数: 48

約数和(自身を含む): 51012000

約数和(自身を除く): 30512862

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 5449, 10898, 16347, 32694, 49041, 59939, 98082, 103531, 119878, 179817, 207062, 310593, 359634, 539451, 621186, 931779, 1078902, 1138841, 1863558, 2277682, 3416523, 6833046, 10249569, 20499138]

約数ペア:

[(1, 20499138), (2, 10249569), (3, 6833046), (6, 3416523), (9, 2277682), (11, 1863558), (18, 1138841), (19, 1078902), (22, 931779), (33, 621186), (38, 539451), (57, 359634), (66, 310593), (99, 207062), (114, 179817), (171, 119878), (198, 103531), (209, 98082), (342, 59939), (418, 49041), (627, 32694), (1254, 16347), (1881, 10898), (3762, 5449)]