20117848816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{534367}}^1$

素因数の和:534569

約数の個数: 40

約数和(自身を含む): 42208659584

約数和(自身を除く): 22090810768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 362, 724, 1448, 2353, 2896, 4706, 9412, 18824, 37648, 534367, 1068734, 2137468, 4274936, 6946771, 8549872, 13893542, 27787084, 55574168, 96720427, 111148336, 193440854, 386881708, 773763416, 1257365551, 1547526832, 2514731102, 5029462204, 10058924408, 20117848816]

約数ペア:

[(1, 20117848816), (2, 10058924408), (4, 5029462204), (8, 2514731102), (13, 1547526832), (16, 1257365551), (26, 773763416), (52, 386881708), (104, 193440854), (181, 111148336), (208, 96720427), (362, 55574168), (724, 27787084), (1448, 13893542), (2353, 8549872), (2896, 6946771), (4706, 4274936), (9412, 2137468), (18824, 1068734), (37648, 534367)]