20247381

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9739}}^1$

素因数の和:9766

約数の個数: 32

約数和(自身を含む): 37401600

約数和(自身を除く): 17154219

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9739, 29217, 68173, 87651, 107129, 204519, 262953, 321387, 613557, 749903, 964161, 1840671, 2249709, 2892483, 6749127, 20247381]

約数ペア:

[(1, 20247381), (3, 6749127), (7, 2892483), (9, 2249709), (11, 1840671), (21, 964161), (27, 749903), (33, 613557), (63, 321387), (77, 262953), (99, 204519), (189, 107129), (231, 87651), (297, 68173), (693, 29217), (2079, 9739)]