20943461

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2693}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 26379648

約数和(自身を除く): 5436187

約数列:

[1, 7, 11, 77, 101, 707, 1111, 2693, 7777, 18851, 29623, 207361, 271993, 1903951, 2991923, 20943461]

約数ペア:

[(1, 20943461), (7, 2991923), (11, 1903951), (77, 271993), (101, 207361), (707, 29623), (1111, 18851), (2693, 7777)]