20050357821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1\times {\mathrm{1181}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 31597413120

約数和(自身を除く): 11547055299

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 883, 1131, 1181, 1479, 2649, 3543, 6409, 11479, 15011, 15353, 19227, 20077, 25607, 34249, 34437, 45033, 46059, 60231, 76821, 102747, 195143, 261001, 332891, 435319, 445237, 582233, 585429, 783003, 998673, 1042823, 1305957, 1335711, 1746699, 3128469, 5659147, 7569029, 13556699, 16977441, 17727991, 22707087, 30241867, 40670097, 53183973, 90725601, 230463883, 393144271, 514111739, 691391649, 1179432813, 1542335217, 6683452607, 20050357821]

約数ペア:

[(1, 20050357821), (3, 6683452607), (13, 1542335217), (17, 1179432813), (29, 691391649), (39, 514111739), (51, 393144271), (87, 230463883), (221, 90725601), (377, 53183973), (493, 40670097), (663, 30241867), (883, 22707087), (1131, 17727991), (1181, 16977441), (1479, 13556699), (2649, 7569029), (3543, 5659147), (6409, 3128469), (11479, 1746699), (15011, 1335711), (15353, 1305957), (19227, 1042823), (20077, 998673), (25607, 783003), (34249, 585429), (34437, 582233), (45033, 445237), (46059, 435319), (60231, 332891), (76821, 261001), (102747, 195143)]