201783580

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{20717}}^1$

素因数の和:21213

約数の個数: 24

約数和(自身を含む): 424636128

約数和(自身を除く): 222852548

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 20717, 41434, 82868, 103585, 207170, 414340, 10089179, 20178358, 40356716, 50445895, 100891790, 201783580]

約数ペア:

[(1, 201783580), (2, 100891790), (4, 50445895), (5, 40356716), (10, 20178358), (20, 10089179), (487, 414340), (974, 207170), (1948, 103585), (2435, 82868), (4870, 41434), (9740, 20717)]