20797181776

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4529003}}^1$

素因数の和:4529059

約数の個数: 40

約数和(自身を含む): 47174105664

約数和(自身を除く): 26376923888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4529003, 9058006, 18116012, 31703021, 36232024, 63406042, 72464048, 126812084, 185689123, 253624168, 371378246, 507248336, 742756492, 1299823861, 1485512984, 2599647722, 2971025968, 5199295444, 10398590888, 20797181776]

約数ペア:

[(1, 20797181776), (2, 10398590888), (4, 5199295444), (7, 2971025968), (8, 2599647722), (14, 1485512984), (16, 1299823861), (28, 742756492), (41, 507248336), (56, 371378246), (82, 253624168), (112, 185689123), (164, 126812084), (287, 72464048), (328, 63406042), (574, 36232024), (656, 31703021), (1148, 18116012), (2296, 9058006), (4592, 4529003)]