20396872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3191}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20971448

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3191, 3196, 6382, 6392, 12764, 25528, 54247, 108494, 149977, 216988, 299954, 433976, 599908, 1199816, 2549609, 5099218, 10198436, 20396872]

約数ペア:

[(1, 20396872), (2, 10198436), (4, 5099218), (8, 2549609), (17, 1199816), (34, 599908), (47, 433976), (68, 299954), (94, 216988), (136, 149977), (188, 108494), (376, 54247), (799, 25528), (1598, 12764), (3191, 6392), (3196, 6382)]