2016388420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{401671}}^1$

素因数の和:401931

約数の個数: 24

約数和(自身を含む): 4251296448

約数和(自身を除く): 2234908028

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 401671, 803342, 1606684, 2008355, 4016710, 8033420, 100819421, 201638842, 403277684, 504097105, 1008194210, 2016388420]

約数ペア:

[(1, 2016388420), (2, 1008194210), (4, 504097105), (5, 403277684), (10, 201638842), (20, 100819421), (251, 8033420), (502, 4016710), (1004, 2008355), (1255, 1606684), (2510, 803342), (5020, 401671)]