20111790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23117}}^1$

素因数の和:23156

約数の個数: 32

約数和(自身を含む): 49934880

約数和(自身を除く): 29823090

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 23117, 46234, 69351, 115585, 138702, 231170, 346755, 670393, 693510, 1340786, 2011179, 3351965, 4022358, 6703930, 10055895, 20111790]

約数ペア:

[(1, 20111790), (2, 10055895), (3, 6703930), (5, 4022358), (6, 3351965), (10, 2011179), (15, 1340786), (29, 693510), (30, 670393), (58, 346755), (87, 231170), (145, 138702), (174, 115585), (290, 69351), (435, 46234), (870, 23117)]