20024440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2621}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 25283720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2621, 3820, 5242, 7640, 10484, 13105, 20968, 26210, 52420, 104840, 500611, 1001222, 2002444, 2503055, 4004888, 5006110, 10012220, 20024440]

約数ペア:

[(1, 20024440), (2, 10012220), (4, 5006110), (5, 4004888), (8, 2503055), (10, 2002444), (20, 1001222), (40, 500611), (191, 104840), (382, 52420), (764, 26210), (955, 20968), (1528, 13105), (1910, 10484), (2621, 7640), (3820, 5242)]