20451634466

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1\times {\mathrm{7703}}^1$

素因数の和:8474

約数の個数: 32

約数和(自身を含む): 32643388800

約数和(自身を除く): 12191754334

約数列:

[1, 2, 19, 38, 109, 218, 641, 1282, 2071, 4142, 7703, 12179, 15406, 24358, 69869, 139738, 146357, 292714, 839627, 1327511, 1679254, 2655022, 4937623, 9875246, 15952913, 31905826, 93814837, 187629674, 538200907, 1076401814, 10225817233, 20451634466]

約数ペア:

[(1, 20451634466), (2, 10225817233), (19, 1076401814), (38, 538200907), (109, 187629674), (218, 93814837), (641, 31905826), (1282, 15952913), (2071, 9875246), (4142, 4937623), (7703, 2655022), (12179, 1679254), (15406, 1327511), (24358, 839627), (69869, 292714), (139738, 146357)]