20501118

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2269

約数の個数: 48

約数和(自身を含む): 49510656

約数和(自身を除く): 29009538

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 47, 66, 94, 99, 141, 198, 282, 423, 517, 846, 1034, 1551, 2203, 3102, 4406, 4653, 6609, 9306, 13218, 19827, 24233, 39654, 48466, 72699, 103541, 145398, 207082, 218097, 310623, 436194, 621246, 931869, 1138951, 1863738, 2277902, 3416853, 6833706, 10250559, 20501118]

約数ペア:

[(1, 20501118), (2, 10250559), (3, 6833706), (6, 3416853), (9, 2277902), (11, 1863738), (18, 1138951), (22, 931869), (33, 621246), (47, 436194), (66, 310623), (94, 218097), (99, 207082), (141, 145398), (198, 103541), (282, 72699), (423, 48466), (517, 39654), (846, 24233), (1034, 19827), (1551, 13218), (2203, 9306), (3102, 6609), (4406, 4653)]