20196899780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{477017}}^1$

素因数の和:477128

約数の個数: 48

約数和(自身を含む): 44477158320

約数和(自身を除く): 24280258540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 4234, 8468, 10585, 21170, 42340, 477017, 954034, 1908068, 2385085, 4770170, 9540340, 13833493, 27666986, 34822241, 55333972, 69167465, 69644482, 138334930, 139288964, 174111205, 276669860, 348222410, 696444820, 1009844989, 2019689978, 4039379956, 5049224945, 10098449890, 20196899780]

約数ペア:

[(1, 20196899780), (2, 10098449890), (4, 5049224945), (5, 4039379956), (10, 2019689978), (20, 1009844989), (29, 696444820), (58, 348222410), (73, 276669860), (116, 174111205), (145, 139288964), (146, 138334930), (290, 69644482), (292, 69167465), (365, 55333972), (580, 34822241), (730, 27666986), (1460, 13833493), (2117, 9540340), (4234, 4770170), (8468, 2385085), (10585, 1908068), (21170, 954034), (42340, 477017)]