20512134950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{295777}}^1$

素因数の和:295881

約数の個数: 48

約数和(自身を含む): 40710883920

約数和(自身を除く): 20198748970

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 73, 95, 146, 190, 365, 475, 730, 950, 1387, 1825, 2774, 3650, 6935, 13870, 34675, 69350, 295777, 591554, 1478885, 2957770, 5619763, 7394425, 11239526, 14788850, 21591721, 28098815, 43183442, 56197630, 107958605, 140494075, 215917210, 280988150, 410242699, 539793025, 820485398, 1079586050, 2051213495, 4102426990, 10256067475, 20512134950]

約数ペア:

[(1, 20512134950), (2, 10256067475), (5, 4102426990), (10, 2051213495), (19, 1079586050), (25, 820485398), (38, 539793025), (50, 410242699), (73, 280988150), (95, 215917210), (146, 140494075), (190, 107958605), (365, 56197630), (475, 43183442), (730, 28098815), (950, 21591721), (1387, 14788850), (1825, 11239526), (2774, 7394425), (3650, 5619763), (6935, 2957770), (13870, 1478885), (34675, 591554), (69350, 295777)]