20199731032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{6781}}^1\times {\mathrm{28643}}^1$

素因数の和:35443

約数の個数: 32

約数和(自身を含む): 40795357680

約数和(自身を除く): 20595626648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 6781, 13562, 27124, 28643, 54248, 57286, 88153, 114572, 176306, 229144, 352612, 372359, 705224, 744718, 1489436, 2978872, 194228183, 388456366, 776912732, 1553825464, 2524966379, 5049932758, 10099865516, 20199731032]

約数ペア:

[(1, 20199731032), (2, 10099865516), (4, 5049932758), (8, 2524966379), (13, 1553825464), (26, 776912732), (52, 388456366), (104, 194228183), (6781, 2978872), (13562, 1489436), (27124, 744718), (28643, 705224), (54248, 372359), (57286, 352612), (88153, 229144), (114572, 176306)]