200023220

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{5261}}^1$

素因数の和:7171

約数の個数: 24

約数和(自身を含む): 420349608

約数和(自身を除く): 220326388

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 5261, 7604, 9505, 10522, 19010, 21044, 26305, 38020, 52610, 105220, 10001161, 20002322, 40004644, 50005805, 100011610, 200023220]

約数ペア:

[(1, 200023220), (2, 100011610), (4, 50005805), (5, 40004644), (10, 20002322), (20, 10001161), (1901, 105220), (3802, 52610), (5261, 38020), (7604, 26305), (9505, 21044), (10522, 19010)]