22920140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18787}}^1$

素因数の和:18857

約数の個数: 24

約数和(自身を含む): 48923952

約数和(自身を除く): 26003812

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 18787, 37574, 75148, 93935, 187870, 375740, 1146007, 2292014, 4584028, 5730035, 11460070, 22920140]

約数ペア:

[(1, 22920140), (2, 11460070), (4, 5730035), (5, 4584028), (10, 2292014), (20, 1146007), (61, 375740), (122, 187870), (244, 93935), (305, 75148), (610, 37574), (1220, 18787)]