20925410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1051}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 41356224

約数和(自身を除く): 20430814

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1051, 1810, 1991, 2102, 3982, 5255, 9955, 10510, 11561, 19910, 23122, 57805, 115610, 190231, 380462, 951155, 1902310, 2092541, 4185082, 10462705, 20925410]

約数ペア:

[(1, 20925410), (2, 10462705), (5, 4185082), (10, 2092541), (11, 1902310), (22, 951155), (55, 380462), (110, 190231), (181, 115610), (362, 57805), (905, 23122), (1051, 19910), (1810, 11561), (1991, 10510), (2102, 9955), (3982, 5255)]