20463768

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21863}}^1$

素因数の和:21888

約数の個数: 48

約数和(自身を含む): 59688720

約数和(自身を除く): 39224952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21863, 43726, 65589, 87452, 131178, 174904, 196767, 262356, 284219, 393534, 524712, 568438, 787068, 852657, 1136876, 1574136, 1705314, 2273752, 2557971, 3410628, 5115942, 6821256, 10231884, 20463768]

約数ペア:

[(1, 20463768), (2, 10231884), (3, 6821256), (4, 5115942), (6, 3410628), (8, 2557971), (9, 2273752), (12, 1705314), (13, 1574136), (18, 1136876), (24, 852657), (26, 787068), (36, 568438), (39, 524712), (52, 393534), (72, 284219), (78, 262356), (104, 196767), (117, 174904), (156, 131178), (234, 87452), (312, 65589), (468, 43726), (936, 21863)]