20123171290

素因数分解:

$2^1\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2147617}}^1$

素因数の和:2148561

約数の個数: 16

約数和(自身を含む): 36260382312

約数和(自身を除く): 16137211022

約数列:

[1, 2, 5, 10, 937, 1874, 4685, 9370, 2147617, 4295234, 10738085, 21476170, 2012317129, 4024634258, 10061585645, 20123171290]

約数ペア:

[(1, 20123171290), (2, 10061585645), (5, 4024634258), (10, 2012317129), (937, 21476170), (1874, 10738085), (4685, 4295234), (9370, 2147617)]