20826071

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27141120

約数和(自身を除く): 6315049

約数列:

[1, 7, 17, 19, 61, 119, 133, 151, 323, 427, 1037, 1057, 1159, 2261, 2567, 2869, 7259, 8113, 9211, 17969, 19703, 20083, 48773, 64477, 137921, 156587, 175009, 341411, 1096109, 1225063, 2975153, 20826071]

約数ペア:

[(1, 20826071), (7, 2975153), (17, 1225063), (19, 1096109), (61, 341411), (119, 175009), (133, 156587), (151, 137921), (323, 64477), (427, 48773), (1037, 20083), (1057, 19703), (1159, 17969), (2261, 9211), (2567, 8113), (2869, 7259)]