20440100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8887}}^1$

素因数の和:8924

約数の個数: 36

約数和(自身を含む): 46288704

約数和(自身を除く): 25848604

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8887, 17774, 35548, 44435, 88870, 177740, 204401, 222175, 408802, 444350, 817604, 888700, 1022005, 2044010, 4088020, 5110025, 10220050, 20440100]

約数ペア:

[(1, 20440100), (2, 10220050), (4, 5110025), (5, 4088020), (10, 2044010), (20, 1022005), (23, 888700), (25, 817604), (46, 444350), (50, 408802), (92, 222175), (100, 204401), (115, 177740), (230, 88870), (460, 44435), (575, 35548), (1150, 17774), (2300, 8887)]