20502390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3541}}^1$

素因数の和:3744

約数の個数: 32

約数和(自身を含む): 49474656

約数和(自身を除く): 28972266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 193, 386, 579, 965, 1158, 1930, 2895, 3541, 5790, 7082, 10623, 17705, 21246, 35410, 53115, 106230, 683413, 1366826, 2050239, 3417065, 4100478, 6834130, 10251195, 20502390]

約数ペア:

[(1, 20502390), (2, 10251195), (3, 6834130), (5, 4100478), (6, 3417065), (10, 2050239), (15, 1366826), (30, 683413), (193, 106230), (386, 53115), (579, 35410), (965, 21246), (1158, 17705), (1930, 10623), (2895, 7082), (3541, 5790)]