20218481860

素因数分解:

$2^2\times 5^1\times {\mathrm{52021}}^1\times {\mathrm{19433}}^1$

素因数の和:71463

約数の個数: 24

約数和(自身を含む): 42461813016

約数和(自身を除く): 22243331156

約数列:

[1, 2, 4, 5, 10, 20, 19433, 38866, 52021, 77732, 97165, 104042, 194330, 208084, 260105, 388660, 520210, 1040420, 1010924093, 2021848186, 4043696372, 5054620465, 10109240930, 20218481860]

約数ペア:

[(1, 20218481860), (2, 10109240930), (4, 5054620465), (5, 4043696372), (10, 2021848186), (20, 1010924093), (19433, 1040420), (38866, 520210), (52021, 388660), (77732, 260105), (97165, 208084), (104042, 194330)]