20161931065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1\times {\mathrm{1489}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 25780027680

約数和(自身を除く): 5618096615

約数列:

[1, 5, 17, 85, 241, 661, 1205, 1489, 3305, 4097, 7445, 11237, 20485, 25313, 56185, 126565, 159301, 358849, 796505, 984229, 1794245, 2708117, 4921145, 6100433, 13540585, 16731893, 30502165, 83659465, 237199189, 1185995945, 4032386213, 20161931065]

約数ペア:

[(1, 20161931065), (5, 4032386213), (17, 1185995945), (85, 237199189), (241, 83659465), (661, 30502165), (1205, 16731893), (1489, 13540585), (3305, 6100433), (4097, 4921145), (7445, 2708117), (11237, 1794245), (20485, 984229), (25313, 796505), (56185, 358849), (126565, 159301)]