203578420

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{20731}}^1$

素因数の和:21231

約数の個数: 24

約数和(自身を含む): 428406048

約数和(自身を除く): 224827628

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 20731, 41462, 82924, 103655, 207310, 414620, 10178921, 20357842, 40715684, 50894605, 101789210, 203578420]

約数ペア:

[(1, 203578420), (2, 101789210), (4, 50894605), (5, 40715684), (10, 20357842), (20, 10178921), (491, 414620), (982, 207310), (1964, 103655), (2455, 82924), (4910, 41462), (9820, 20731)]