20921440518

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3408511}}^1$

素因数の和:3408561

約数の個数: 48

約数和(自身を含む): 51045875712

約数和(自身を除く): 30124435194

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 6138, 3408511, 6817022, 10225533, 20451066, 30676599, 37493621, 61353198, 74987242, 105663841, 112480863, 211327682, 224961726, 316991523, 337442589, 633983046, 674885178, 950974569, 1162302251, 1901949138, 2324604502, 3486906753, 6973813506, 10460720259, 20921440518]

約数ペア:

[(1, 20921440518), (2, 10460720259), (3, 6973813506), (6, 3486906753), (9, 2324604502), (11, 1901949138), (18, 1162302251), (22, 950974569), (31, 674885178), (33, 633983046), (62, 337442589), (66, 316991523), (93, 224961726), (99, 211327682), (186, 112480863), (198, 105663841), (279, 74987242), (341, 61353198), (558, 37493621), (682, 30676599), (1023, 20451066), (2046, 10225533), (3069, 6817022), (6138, 3408511)]