20109560

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8521}}^1$

素因数の和:8591

約数の個数: 32

約数和(自身を含む): 46018800

約数和(自身を除く): 25909240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8521, 17042, 34084, 42605, 68168, 85210, 170420, 340840, 502739, 1005478, 2010956, 2513695, 4021912, 5027390, 10054780, 20109560]

約数ペア:

[(1, 20109560), (2, 10054780), (4, 5027390), (5, 4021912), (8, 2513695), (10, 2010956), (20, 1005478), (40, 502739), (59, 340840), (118, 170420), (236, 85210), (295, 68168), (472, 42605), (590, 34084), (1180, 17042), (2360, 8521)]