20637982

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1443

約数の個数: 16

約数和(自身を含む): 31816512

約数和(自身を除く): 11178530

約数列:

[1, 2, 47, 94, 181, 362, 1213, 2426, 8507, 17014, 57011, 114022, 219553, 439106, 10318991, 20637982]

約数ペア:

[(1, 20637982), (2, 10318991), (47, 439106), (94, 219553), (181, 114022), (362, 57011), (1213, 17014), (2426, 8507)]