20879796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248569}}^1$

素因数の和:248583

約数の個数: 24

約数和(自身を含む): 55679680

約数和(自身を除く): 34799884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248569, 497138, 745707, 994276, 1491414, 1739983, 2982828, 3479966, 5219949, 6959932, 10439898, 20879796]

約数ペア:

[(1, 20879796), (2, 10439898), (3, 6959932), (4, 5219949), (6, 3479966), (7, 2982828), (12, 1739983), (14, 1491414), (21, 994276), (28, 745707), (42, 497138), (84, 248569)]