20870152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153457}}^1$

素因数の和:153480

約数の個数: 16

約数和(自身を含む): 41433660

約数和(自身を除く): 20563508

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153457, 306914, 613828, 1227656, 2608769, 5217538, 10435076, 20870152]

約数ペア:

[(1, 20870152), (2, 10435076), (4, 5217538), (8, 2608769), (17, 1227656), (34, 613828), (68, 306914), (136, 153457)]