20948692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4339}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18423788

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4339, 4828, 8678, 17356, 73763, 147526, 295052, 308069, 616138, 1232276, 5237173, 10474346, 20948692]

約数ペア:

[(1, 20948692), (2, 10474346), (4, 5237173), (17, 1232276), (34, 616138), (68, 308069), (71, 295052), (142, 147526), (284, 73763), (1207, 17356), (2414, 8678), (4339, 4828)]