20237039780

素因数分解:

$2^2\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{362801}}^1$

素因数の和:365599

約数の個数: 24

約数和(自身を含む): 42513138360

約数和(自身を除く): 22276098580

約数列:

[1, 2, 4, 5, 10, 20, 2789, 5578, 11156, 13945, 27890, 55780, 362801, 725602, 1451204, 1814005, 3628010, 7256020, 1011851989, 2023703978, 4047407956, 5059259945, 10118519890, 20237039780]

約数ペア:

[(1, 20237039780), (2, 10118519890), (4, 5059259945), (5, 4047407956), (10, 2023703978), (20, 1011851989), (2789, 7256020), (5578, 3628010), (11156, 1814005), (13945, 1451204), (27890, 725602), (55780, 362801)]