20648524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3643}}^1$

素因数の和:3769

約数の個数: 24

約数和(自身を含む): 39282320

約数和(自身を除く): 18633796

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3643, 5668, 7286, 14572, 47359, 94718, 189436, 397087, 794174, 1588348, 5162131, 10324262, 20648524]

約数ペア:

[(1, 20648524), (2, 10324262), (4, 5162131), (13, 1588348), (26, 794174), (52, 397087), (109, 189436), (218, 94718), (436, 47359), (1417, 14572), (2834, 7286), (3643, 5668)]