20055980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143257}}^1$

素因数の和:143273

約数の個数: 24

約数和(自身を含む): 48134688

約数和(自身を除く): 28078708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143257, 286514, 573028, 716285, 1002799, 1432570, 2005598, 2865140, 4011196, 5013995, 10027990, 20055980]

約数ペア:

[(1, 20055980), (2, 10027990), (4, 5013995), (5, 4011196), (7, 2865140), (10, 2005598), (14, 1432570), (20, 1002799), (28, 716285), (35, 573028), (70, 286514), (140, 143257)]