20937554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4831}}^1$

素因数の和:5041

約数の個数: 16

約数和(自身を含む): 34442496

約数和(自身を除く): 13504942

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4831, 9662, 53141, 106282, 951707, 1903414, 10468777, 20937554]

約数ペア:

[(1, 20937554), (2, 10468777), (11, 1903414), (22, 951707), (197, 106282), (394, 53141), (2167, 9662), (4334, 4831)]