20760142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14721458

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 403, 559, 599, 806, 1118, 1198, 1333, 2666, 7787, 15574, 17329, 18569, 25757, 34658, 37138, 51514, 241397, 334841, 482794, 669682, 798467, 1596934, 10380071, 20760142]

約数ペア:

[(1, 20760142), (2, 10380071), (13, 1596934), (26, 798467), (31, 669682), (43, 482794), (62, 334841), (86, 241397), (403, 51514), (559, 37138), (599, 34658), (806, 25757), (1118, 18569), (1198, 17329), (1333, 15574), (2666, 7787)]