20347790967

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{28661}}^1$

素因数の和:28924

約数の個数: 48

約数和(自身を含む): 34339368960

約数和(自身を除く): 13991577993

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 191, 413, 531, 573, 1239, 1337, 1719, 3717, 4011, 11269, 12033, 28661, 33807, 78883, 85983, 101421, 200627, 236649, 257949, 601881, 709947, 1690999, 1805643, 5072997, 5474251, 11836993, 15218991, 16422753, 35510979, 38319757, 49268259, 106532937, 114959271, 322980809, 344877813, 968942427, 2260865663, 2906827281, 6782596989, 20347790967]

約数ペア:

[(1, 20347790967), (3, 6782596989), (7, 2906827281), (9, 2260865663), (21, 968942427), (59, 344877813), (63, 322980809), (177, 114959271), (191, 106532937), (413, 49268259), (531, 38319757), (573, 35510979), (1239, 16422753), (1337, 15218991), (1719, 11836993), (3717, 5474251), (4011, 5072997), (11269, 1805643), (12033, 1690999), (28661, 709947), (33807, 601881), (78883, 257949), (85983, 236649), (101421, 200627)]