20803594

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 37825920

約数和(自身を除く): 17022326

約数列:

[1, 2, 7, 14, 19, 38, 133, 197, 266, 394, 397, 794, 1379, 2758, 2779, 3743, 5558, 7486, 7543, 15086, 26201, 52402, 52801, 78209, 105602, 156418, 547463, 1094926, 1485971, 2971942, 10401797, 20803594]

約数ペア:

[(1, 20803594), (2, 10401797), (7, 2971942), (14, 1485971), (19, 1094926), (38, 547463), (133, 156418), (197, 105602), (266, 78209), (394, 52801), (397, 52402), (794, 26201), (1379, 15086), (2758, 7543), (2779, 7486), (3743, 5558)]