20805543374

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{29287}}^1$

素因数の和:29973

約数の個数: 48

約数和(自身を含む): 39665324160

約数和(自身を除く): 18859780786

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 659, 1078, 1318, 4613, 7249, 9226, 14498, 29287, 32291, 50743, 58574, 64582, 101486, 205009, 322157, 355201, 410018, 644314, 710402, 1435063, 2255099, 2870126, 4510198, 15785693, 19300133, 31571386, 38600266, 135100931, 212301463, 270201862, 424602926, 945706517, 1486110241, 1891413034, 2972220482, 10402771687, 20805543374]

約数ペア:

[(1, 20805543374), (2, 10402771687), (7, 2972220482), (11, 1891413034), (14, 1486110241), (22, 945706517), (49, 424602926), (77, 270201862), (98, 212301463), (154, 135100931), (539, 38600266), (659, 31571386), (1078, 19300133), (1318, 15785693), (4613, 4510198), (7249, 2870126), (9226, 2255099), (14498, 1435063), (29287, 710402), (32291, 644314), (50743, 410018), (58574, 355201), (64582, 322157), (101486, 205009)]