20495688

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{10289}}^1$

素因数の和:10381

約数の個数: 32

約数和(自身を含む): 51861600

約数和(自身を除く): 31365912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 10289, 20578, 30867, 41156, 61734, 82312, 123468, 246936, 853987, 1707974, 2561961, 3415948, 5123922, 6831896, 10247844, 20495688]

約数ペア:

[(1, 20495688), (2, 10247844), (3, 6831896), (4, 5123922), (6, 3415948), (8, 2561961), (12, 1707974), (24, 853987), (83, 246936), (166, 123468), (249, 82312), (332, 61734), (498, 41156), (664, 30867), (996, 20578), (1992, 10289)]