20131781228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{148961}}^1$

素因数の和:149114

約数の個数: 48

約数和(自身を含む): 39940883136

約数和(自身を除く): 19809101908

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 113, 226, 299, 452, 598, 1196, 1469, 2599, 2938, 5198, 5876, 10396, 33787, 67574, 135148, 148961, 297922, 595844, 1936493, 3426103, 3872986, 6852206, 7745972, 13704412, 16832593, 33665186, 44539339, 67330372, 89078678, 178157356, 218823709, 387149639, 437647418, 774299278, 875294836, 1548598556, 5032945307, 10065890614, 20131781228]

約数ペア:

[(1, 20131781228), (2, 10065890614), (4, 5032945307), (13, 1548598556), (23, 875294836), (26, 774299278), (46, 437647418), (52, 387149639), (92, 218823709), (113, 178157356), (226, 89078678), (299, 67330372), (452, 44539339), (598, 33665186), (1196, 16832593), (1469, 13704412), (2599, 7745972), (2938, 6852206), (5198, 3872986), (5876, 3426103), (10396, 1936493), (33787, 595844), (67574, 297922), (135148, 148961)]