20349712

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8101}}^1$

素因数の和:8266

約数の個数: 20

約数和(自身を含む): 39683596

約数和(自身を除く): 19333884

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8101, 16202, 32404, 64808, 129616, 1271857, 2543714, 5087428, 10174856, 20349712]

約数ペア:

[(1, 20349712), (2, 10174856), (4, 5087428), (8, 2543714), (16, 1271857), (157, 129616), (314, 64808), (628, 32404), (1256, 16202), (2512, 8101)]