20448889220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44454107}}^1$

素因数の和:44454139

約数の個数: 24

約数和(自身を含む): 44809740864

約数和(自身を除く): 24360851644

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44454107, 88908214, 177816428, 222270535, 444541070, 889082140, 1022444461, 2044888922, 4089777844, 5112222305, 10224444610, 20448889220]

約数ペア:

[(1, 20448889220), (2, 10224444610), (4, 5112222305), (5, 4089777844), (10, 2044888922), (20, 1022444461), (23, 889082140), (46, 444541070), (92, 222270535), (115, 177816428), (230, 88908214), (460, 44454107)]