20899681474

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1\times {\mathrm{10939}}^1$

素因数の和:11758

約数の個数: 32

約数和(自身を含む): 36044236800

約数和(自身を除く): 15144555326

約数列:

[1, 2, 7, 14, 239, 478, 571, 1142, 1673, 3346, 3997, 7994, 10939, 21878, 76573, 136469, 153146, 272938, 955283, 1910566, 2614421, 5228842, 6246169, 12492338, 18300947, 36601894, 43723183, 87446366, 1492834391, 2985668782, 10449840737, 20899681474]

約数ペア:

[(1, 20899681474), (2, 10449840737), (7, 2985668782), (14, 1492834391), (239, 87446366), (478, 43723183), (571, 36601894), (1142, 18300947), (1673, 12492338), (3346, 6246169), (3997, 5228842), (7994, 2614421), (10939, 1910566), (21878, 955283), (76573, 272938), (136469, 153146)]