20906538

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{41981}}^1$

素因数の和:42069

約数の個数: 16

約数和(自身を含む): 42317856

約数和(自身を除く): 21411318

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 41981, 83962, 125943, 251886, 3484423, 6968846, 10453269, 20906538]

約数ペア:

[(1, 20906538), (2, 10453269), (3, 6968846), (6, 3484423), (83, 251886), (166, 125943), (249, 83962), (498, 41981)]