20197208060

素因数分解:

$2^2\times 5^1\times {\mathrm{27967}}^1\times {\mathrm{36109}}^1$

素因数の和:64085

約数の個数: 24

約数和(自身を含む): 42416828160

約数和(自身を除く): 22219620100

約数列:

[1, 2, 4, 5, 10, 20, 27967, 36109, 55934, 72218, 111868, 139835, 144436, 180545, 279670, 361090, 559340, 722180, 1009860403, 2019720806, 4039441612, 5049302015, 10098604030, 20197208060]

約数ペア:

[(1, 20197208060), (2, 10098604030), (4, 5049302015), (5, 4039441612), (10, 2019720806), (20, 1009860403), (27967, 722180), (36109, 559340), (55934, 361090), (72218, 279670), (111868, 180545), (139835, 144436)]