20684762

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2543}}^1$

素因数の和:2642

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 15857254

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2543, 4067, 5086, 8134, 17801, 35602, 124607, 211069, 249214, 422138, 1477483, 2954966, 10342381, 20684762]

約数ペア:

[(1, 20684762), (2, 10342381), (7, 2954966), (14, 1477483), (49, 422138), (83, 249214), (98, 211069), (166, 124607), (581, 35602), (1162, 17801), (2543, 8134), (4067, 5086)]