20121520258

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{123401}}^1$

素因数の和:124042

約数の個数: 32

約数和(自身を含む): 36369037440

約数和(自身を除く): 16247517182

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 613, 1226, 4291, 8582, 11647, 23294, 81529, 123401, 163058, 246802, 863807, 1727614, 2344619, 4689238, 16412333, 32824666, 75644813, 151289626, 529513691, 1059027382, 1437251447, 2874502894, 10060760129, 20121520258]

約数ペア:

[(1, 20121520258), (2, 10060760129), (7, 2874502894), (14, 1437251447), (19, 1059027382), (38, 529513691), (133, 151289626), (266, 75644813), (613, 32824666), (1226, 16412333), (4291, 4689238), (8582, 2344619), (11647, 1727614), (23294, 863807), (81529, 246802), (123401, 163058)]