20968456

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1373}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 20581304

約数列:

[1, 2, 4, 8, 23, 46, 83, 92, 166, 184, 332, 664, 1373, 1909, 2746, 3818, 5492, 7636, 10984, 15272, 31579, 63158, 113959, 126316, 227918, 252632, 455836, 911672, 2621057, 5242114, 10484228, 20968456]

約数ペア:

[(1, 20968456), (2, 10484228), (4, 5242114), (8, 2621057), (23, 911672), (46, 455836), (83, 252632), (92, 227918), (166, 126316), (184, 113959), (332, 63158), (664, 31579), (1373, 15272), (1909, 10984), (2746, 7636), (3818, 5492)]