20696456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{937}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 42547680

約数和(自身を除く): 21851224

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 251, 502, 937, 1004, 1874, 2008, 2761, 3748, 5522, 7496, 10307, 11044, 20614, 22088, 41228, 82456, 235187, 470374, 940748, 1881496, 2587057, 5174114, 10348228, 20696456]

約数ペア:

[(1, 20696456), (2, 10348228), (4, 5174114), (8, 2587057), (11, 1881496), (22, 940748), (44, 470374), (88, 235187), (251, 82456), (502, 41228), (937, 22088), (1004, 20614), (1874, 11044), (2008, 10307), (2761, 7496), (3748, 5522)]