20961610

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 39089232

約数和(自身を除く): 18127622

約数列:

[1, 2, 5, 10, 37, 74, 181, 185, 313, 362, 370, 626, 905, 1565, 1810, 3130, 6697, 11581, 13394, 23162, 33485, 56653, 57905, 66970, 113306, 115810, 283265, 566530, 2096161, 4192322, 10480805, 20961610]

約数ペア:

[(1, 20961610), (2, 10480805), (5, 4192322), (10, 2096161), (37, 566530), (74, 283265), (181, 115810), (185, 113306), (313, 66970), (362, 57905), (370, 56653), (626, 33485), (905, 23162), (1565, 13394), (1810, 11581), (3130, 6697)]