20164568464

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{660181}}^1$

素因数の和:660295

約数の個数: 40

約数和(自身を含む): 41258734272

約数和(自身を除く): 21094165808

約数列:

[1, 2, 4, 8, 16, 23, 46, 83, 92, 166, 184, 332, 368, 664, 1328, 1909, 3818, 7636, 15272, 30544, 660181, 1320362, 2640724, 5281448, 10562896, 15184163, 30368326, 54795023, 60736652, 109590046, 121473304, 219180092, 242946608, 438360184, 876720368, 1260285529, 2520571058, 5041142116, 10082284232, 20164568464]

約数ペア:

[(1, 20164568464), (2, 10082284232), (4, 5041142116), (8, 2520571058), (16, 1260285529), (23, 876720368), (46, 438360184), (83, 242946608), (92, 219180092), (166, 121473304), (184, 109590046), (332, 60736652), (368, 54795023), (664, 30368326), (1328, 15184163), (1909, 10562896), (3818, 5281448), (7636, 2640724), (15272, 1320362), (30544, 660181)]