20754612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1597}}^1$

素因数の和:1645

約数の個数: 54

約数和(自身を含む): 55404258

約数和(自身を除く): 34649646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1597, 2166, 3194, 3249, 4332, 4791, 6388, 6498, 9582, 12996, 14373, 19164, 28746, 30343, 57492, 60686, 91029, 121372, 182058, 273087, 364116, 546174, 576517, 1092348, 1153034, 1729551, 2306068, 3459102, 5188653, 6918204, 10377306, 20754612]

約数ペア:

[(1, 20754612), (2, 10377306), (3, 6918204), (4, 5188653), (6, 3459102), (9, 2306068), (12, 1729551), (18, 1153034), (19, 1092348), (36, 576517), (38, 546174), (57, 364116), (76, 273087), (114, 182058), (171, 121372), (228, 91029), (342, 60686), (361, 57492), (684, 30343), (722, 28746), (1083, 19164), (1444, 14373), (1597, 12996), (2166, 9582), (3194, 6498), (3249, 6388), (4332, 4791)]