205231210

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{20101}}^1$

素因数の和:21129

約数の個数: 16

約数和(自身を含む): 369796392

約数和(自身を除く): 164565182

約数列:

[1, 2, 5, 10, 1021, 2042, 5105, 10210, 20101, 40202, 100505, 201010, 20523121, 41046242, 102615605, 205231210]

約数ペア:

[(1, 205231210), (2, 102615605), (5, 41046242), (10, 20523121), (1021, 201010), (2042, 100505), (5105, 40202), (10210, 20101)]