20403721810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120021893}}^1$

素因数の和:120021917

約数の個数: 16

約数和(自身を含む): 38887093656

約数和(自身を除く): 18483371846

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120021893, 240043786, 600109465, 1200218930, 2040372181, 4080744362, 10201860905, 20403721810]

約数ペア:

[(1, 20403721810), (2, 10201860905), (5, 4080744362), (10, 2040372181), (17, 1200218930), (34, 600109465), (85, 240043786), (170, 120021893)]