20163428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4861}}^1$

素因数の和:4943

約数の個数: 24

約数和(自身を含む): 37981944

約数和(自身を除く): 17818516

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4861, 9722, 19444, 82637, 165274, 296521, 330548, 593042, 1186084, 5040857, 10081714, 20163428]

約数ペア:

[(1, 20163428), (2, 10081714), (4, 5040857), (17, 1186084), (34, 593042), (61, 330548), (68, 296521), (122, 165274), (244, 82637), (1037, 19444), (2074, 9722), (4148, 4861)]