20196784868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{344021}}^1$

素因数の和:345167

約数の個数: 24

約数和(自身を含む): 38096996280

約数和(自身を除く): 17900211412

約数列:

[1, 2, 4, 13, 26, 52, 1129, 2258, 4516, 14677, 29354, 58708, 344021, 688042, 1376084, 4472273, 8944546, 17889092, 388399709, 776799418, 1553598836, 5049196217, 10098392434, 20196784868]

約数ペア:

[(1, 20196784868), (2, 10098392434), (4, 5049196217), (13, 1553598836), (26, 776799418), (52, 388399709), (1129, 17889092), (2258, 8944546), (4516, 4472273), (14677, 1376084), (29354, 688042), (58708, 344021)]