20795528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4877}}^1$

素因数の和:4937

約数の個数: 32

約数和(自身を含む): 43023960

約数和(自身を除く): 22228432

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4877, 9754, 19508, 39016, 63401, 126802, 199957, 253604, 399914, 507208, 799828, 1599656, 2599441, 5198882, 10397764, 20795528]

約数ペア:

[(1, 20795528), (2, 10397764), (4, 5198882), (8, 2599441), (13, 1599656), (26, 799828), (41, 507208), (52, 399914), (82, 253604), (104, 199957), (164, 126802), (328, 63401), (533, 39016), (1066, 19508), (2132, 9754), (4264, 4877)]