20860156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8291}}^1$

素因数の和:8349

約数の個数: 24

約数和(自身を含む): 39702096

約数和(自身を除く): 18841940

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8291, 16582, 33164, 140947, 281894, 306767, 563788, 613534, 1227068, 5215039, 10430078, 20860156]

約数ペア:

[(1, 20860156), (2, 10430078), (4, 5215039), (17, 1227068), (34, 613534), (37, 563788), (68, 306767), (74, 281894), (148, 140947), (629, 33164), (1258, 16582), (2516, 8291)]