20528020667

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1\times {\mathrm{4441}}^1$

素因数の和:4979

約数の個数: 32

約数和(自身を含む): 25821310464

約数和(自身を除く): 5293289797

約数列:

[1, 7, 11, 77, 173, 347, 1211, 1903, 2429, 3817, 4441, 13321, 26719, 31087, 48851, 60031, 341957, 420217, 660341, 768293, 1541027, 4622387, 5378051, 8451223, 10787189, 16951297, 59158561, 118659079, 266597671, 1866183697, 2932574381, 20528020667]

約数ペア:

[(1, 20528020667), (7, 2932574381), (11, 1866183697), (77, 266597671), (173, 118659079), (347, 59158561), (1211, 16951297), (1903, 10787189), (2429, 8451223), (3817, 5378051), (4441, 4622387), (13321, 1541027), (26719, 768293), (31087, 660341), (48851, 420217), (60031, 341957)]