20797750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3617}}^1$

素因数の和:3657

約数の個数: 32

約数和(自身を含む): 40637376

約数和(自身を除く): 19839626

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3617, 5750, 7234, 18085, 36170, 83191, 90425, 166382, 180850, 415955, 452125, 831910, 904250, 2079775, 4159550, 10398875, 20797750]

約数ペア:

[(1, 20797750), (2, 10398875), (5, 4159550), (10, 2079775), (23, 904250), (25, 831910), (46, 452125), (50, 415955), (115, 180850), (125, 166382), (230, 90425), (250, 83191), (575, 36170), (1150, 18085), (2875, 7234), (3617, 5750)]