22280420

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1951}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 46894848

約数和(自身を除く): 24614428

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 1951, 2284, 2855, 3902, 5710, 7804, 9755, 11420, 19510, 39020, 1114021, 2228042, 4456084, 5570105, 11140210, 22280420]

約数ペア:

[(1, 22280420), (2, 11140210), (4, 5570105), (5, 4456084), (10, 2228042), (20, 1114021), (571, 39020), (1142, 19510), (1951, 11420), (2284, 9755), (2855, 7804), (3902, 5710)]