20174982040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1\times {\mathrm{14173}}^1$

素因数の和:16076

約数の個数: 64

約数和(自身を含む): 47811736800

約数和(自身を除く): 27636754760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1873, 3746, 7492, 9365, 14173, 14984, 18730, 28346, 35587, 37460, 56692, 70865, 71174, 74920, 113384, 141730, 142348, 177935, 269287, 283460, 284696, 355870, 538574, 566920, 711740, 1077148, 1346435, 1423480, 2154296, 2692870, 5385740, 10771480, 26546029, 53092058, 106184116, 132730145, 212368232, 265460290, 504374551, 530920580, 1008749102, 1061841160, 2017498204, 2521872755, 4034996408, 5043745510, 10087491020, 20174982040]

約数ペア:

[(1, 20174982040), (2, 10087491020), (4, 5043745510), (5, 4034996408), (8, 2521872755), (10, 2017498204), (19, 1061841160), (20, 1008749102), (38, 530920580), (40, 504374551), (76, 265460290), (95, 212368232), (152, 132730145), (190, 106184116), (380, 53092058), (760, 26546029), (1873, 10771480), (3746, 5385740), (7492, 2692870), (9365, 2154296), (14173, 1423480), (14984, 1346435), (18730, 1077148), (28346, 711740), (35587, 566920), (37460, 538574), (56692, 355870), (70865, 284696), (71174, 283460), (74920, 269287), (113384, 177935), (141730, 142348)]