20864676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248389}}^1$

素因数の和:248403

約数の個数: 24

約数和(自身を含む): 55639360

約数和(自身を除く): 34774684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248389, 496778, 745167, 993556, 1490334, 1738723, 2980668, 3477446, 5216169, 6954892, 10432338, 20864676]

約数ペア:

[(1, 20864676), (2, 10432338), (3, 6954892), (4, 5216169), (6, 3477446), (7, 2980668), (12, 1738723), (14, 1490334), (21, 993556), (28, 745167), (42, 496778), (84, 248389)]