20503184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98573}}^1$

素因数の和:98594

約数の個数: 20

約数和(自身を含む): 42781116

約数和(自身を除く): 22277932

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98573, 197146, 394292, 788584, 1281449, 1577168, 2562898, 5125796, 10251592, 20503184]

約数ペア:

[(1, 20503184), (2, 10251592), (4, 5125796), (8, 2562898), (13, 1577168), (16, 1281449), (26, 788584), (52, 394292), (104, 197146), (208, 98573)]