20068721210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19870021}}^1$

素因数の和:19870129

約数の個数: 16

約数和(自身を含む): 36481360392

約数和(自身を除く): 16412639182

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19870021, 39740042, 99350105, 198700210, 2006872121, 4013744242, 10034360605, 20068721210]

約数ペア:

[(1, 20068721210), (2, 10034360605), (5, 4013744242), (10, 2006872121), (101, 198700210), (202, 99350105), (505, 39740042), (1010, 19870021)]