20318896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97687}}^1$

素因数の和:97708

約数の個数: 20

約数和(自身を含む): 42396592

約数和(自身を除く): 22077696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97687, 195374, 390748, 781496, 1269931, 1562992, 2539862, 5079724, 10159448, 20318896]

約数ペア:

[(1, 20318896), (2, 10159448), (4, 5079724), (8, 2539862), (13, 1562992), (16, 1269931), (26, 781496), (52, 390748), (104, 195374), (208, 97687)]