203164420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{40471}}^1$

素因数の和:40731

約数の個数: 24

約数和(自身を含む): 428355648

約数和(自身を除く): 225191228

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 40471, 80942, 161884, 202355, 404710, 809420, 10158221, 20316442, 40632884, 50791105, 101582210, 203164420]

約数ペア:

[(1, 203164420), (2, 101582210), (4, 50791105), (5, 40632884), (10, 20316442), (20, 10158221), (251, 809420), (502, 404710), (1004, 202355), (1255, 161884), (2510, 80942), (5020, 40471)]