20654504

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15277}}^1$

素因数の和:15309

約数の個数: 24

約数和(自身を含む): 41938110

約数和(自身を除く): 21283606

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15277, 30554, 61108, 122216, 198601, 397202, 794404, 1588808, 2581813, 5163626, 10327252, 20654504]

約数ペア:

[(1, 20654504), (2, 10327252), (4, 5163626), (8, 2581813), (13, 1588808), (26, 794404), (52, 397202), (104, 198601), (169, 122216), (338, 61108), (676, 30554), (1352, 15277)]