20405510278

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{1601}}^1\times {\mathrm{22051}}^1$

素因数の和:23688

約数の個数: 24

約数和(自身を含む): 32536446984

約数和(自身を除く): 12130936706

約数列:

[1, 2, 17, 34, 289, 578, 1601, 3202, 22051, 27217, 44102, 54434, 374867, 462689, 749734, 925378, 6372739, 12745478, 35303651, 70607302, 600162067, 1200324134, 10202755139, 20405510278]

約数ペア:

[(1, 20405510278), (2, 10202755139), (17, 1200324134), (34, 600162067), (289, 70607302), (578, 35303651), (1601, 12745478), (3202, 6372739), (22051, 925378), (27217, 749734), (44102, 462689), (54434, 374867)]