20812015210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{346117}}^1$

素因数の和:346990

約数の個数: 32

約数和(自身を含む): 42863253120

約数和(自身を除く): 22051237910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 859, 1718, 4295, 6013, 8590, 12026, 30065, 60130, 346117, 692234, 1730585, 2422819, 3461170, 4845638, 12114095, 24228190, 297314503, 594629006, 1486572515, 2081201521, 2973145030, 4162403042, 10406007605, 20812015210]

約数ペア:

[(1, 20812015210), (2, 10406007605), (5, 4162403042), (7, 2973145030), (10, 2081201521), (14, 1486572515), (35, 594629006), (70, 297314503), (859, 24228190), (1718, 12114095), (4295, 4845638), (6013, 3461170), (8590, 2422819), (12026, 1730585), (30065, 692234), (60130, 346117)]