20559044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6581}}^1$

素因数の和:6667

約数の個数: 24

約数和(自身を含む): 39807936

約数和(自身を除く): 19248892

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6581, 13162, 26324, 72391, 144782, 289564, 467251, 934502, 1869004, 5139761, 10279522, 20559044]

約数ペア:

[(1, 20559044), (2, 10279522), (4, 5139761), (11, 1869004), (22, 934502), (44, 467251), (71, 289564), (142, 144782), (284, 72391), (781, 26324), (1562, 13162), (3124, 6581)]