20100268

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 35985600

約数和(自身を除く): 15885332

約数列:

[1, 2, 4, 67, 134, 179, 268, 358, 419, 716, 838, 1676, 11993, 23986, 28073, 47972, 56146, 75001, 112292, 150002, 300004, 5025067, 10050134, 20100268]

約数ペア:

[(1, 20100268), (2, 10050134), (4, 5025067), (67, 300004), (134, 150002), (179, 112292), (268, 75001), (358, 56146), (419, 47972), (716, 28073), (838, 23986), (1676, 11993)]