201989552020

素因数分解:

$2^2\times 5^1\times {\mathrm{15959}}^1\times {\mathrm{632839}}^1$

素因数の和:648807

約数の個数: 24

約数和(自身を含む): 424205308800

約数和(自身を除く): 222215756780

約数列:

[1, 2, 4, 5, 10, 20, 15959, 31918, 63836, 79795, 159590, 319180, 632839, 1265678, 2531356, 3164195, 6328390, 12656780, 10099477601, 20198955202, 40397910404, 50497388005, 100994776010, 201989552020]

約数ペア:

[(1, 201989552020), (2, 100994776010), (4, 50497388005), (5, 40397910404), (10, 20198955202), (20, 10099477601), (15959, 12656780), (31918, 6328390), (63836, 3164195), (79795, 2531356), (159590, 1265678), (319180, 632839)]