70020784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{106739}}^1$

素因数の和:106788

約数の個数: 20

約数和(自身を含む): 138975480

約数和(自身を除く): 68954696

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 106739, 213478, 426956, 853912, 1707824, 4376299, 8752598, 17505196, 35010392, 70020784]

約数ペア:

[(1, 70020784), (2, 35010392), (4, 17505196), (8, 8752598), (16, 4376299), (41, 1707824), (82, 853912), (164, 426956), (328, 213478), (656, 106739)]