20996848453

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{74573}}^1$

素因数の和:74701

約数の個数: 32

約数和(自身を含む): 26488684800

約数和(自身を除く): 5491836347

約数列:

[1, 7, 19, 29, 73, 133, 203, 511, 551, 1387, 2117, 3857, 9709, 14819, 40223, 74573, 281561, 522011, 1416887, 2162617, 5443829, 9918209, 15138319, 38106803, 41089723, 103432751, 157871041, 287628061, 724029257, 1105097287, 2999549779, 20996848453]

約数ペア:

[(1, 20996848453), (7, 2999549779), (19, 1105097287), (29, 724029257), (73, 287628061), (133, 157871041), (203, 103432751), (511, 41089723), (551, 38106803), (1387, 15138319), (2117, 9918209), (3857, 5443829), (9709, 2162617), (14819, 1416887), (40223, 522011), (74573, 281561)]