20950060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10799}}^1$

素因数の和:10905

約数の個数: 24

約数和(自身を含む): 44452800

約数和(自身を除く): 23502740

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10799, 21598, 43196, 53995, 107990, 215980, 1047503, 2095006, 4190012, 5237515, 10475030, 20950060]

約数ペア:

[(1, 20950060), (2, 10475030), (4, 5237515), (5, 4190012), (10, 2095006), (20, 1047503), (97, 215980), (194, 107990), (388, 53995), (485, 43196), (970, 21598), (1940, 10799)]