20470045648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1185707}}^1$

素因数の和:1185811

約数の個数: 40

約数和(自身を含む): 43226170848

約数和(自身を除く): 22756125200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 17264, 1185707, 2371414, 4742828, 9485656, 15414191, 18971312, 30828382, 61656764, 98413681, 123313528, 196827362, 246627056, 393654724, 787309448, 1279377853, 1574618896, 2558755706, 5117511412, 10235022824, 20470045648]

約数ペア:

[(1, 20470045648), (2, 10235022824), (4, 5117511412), (8, 2558755706), (13, 1574618896), (16, 1279377853), (26, 787309448), (52, 393654724), (83, 246627056), (104, 196827362), (166, 123313528), (208, 98413681), (332, 61656764), (664, 30828382), (1079, 18971312), (1328, 15414191), (2158, 9485656), (4316, 4742828), (8632, 2371414), (17264, 1185707)]