20197630663

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{40841}}^1$

素因数の和:40975

約数の個数: 32

約数和(自身を含む): 24842391552

約数和(自身を除く): 4644760889

約数列:

[1, 7, 31, 43, 53, 217, 301, 371, 1333, 1643, 2279, 9331, 11501, 15953, 40841, 70649, 285887, 494543, 1266071, 1756163, 2164573, 8862497, 12293141, 15152011, 54441053, 67101763, 93076639, 381087371, 469712341, 651536473, 2885375809, 20197630663]

約数ペア:

[(1, 20197630663), (7, 2885375809), (31, 651536473), (43, 469712341), (53, 381087371), (217, 93076639), (301, 67101763), (371, 54441053), (1333, 15152011), (1643, 12293141), (2279, 8862497), (9331, 2164573), (11501, 1756163), (15953, 1266071), (40841, 494543), (70649, 285887)]