20450830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120299}}^1$

素因数の和:120323

約数の個数: 16

約数和(自身を含む): 38977200

約数和(自身を除く): 18526370

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120299, 240598, 601495, 1202990, 2045083, 4090166, 10225415, 20450830]

約数ペア:

[(1, 20450830), (2, 10225415), (5, 4090166), (10, 2045083), (17, 1202990), (34, 601495), (85, 240598), (170, 120299)]