20304988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15913}}^1$

素因数の和:15957

約数の個数: 24

約数和(自身を含む): 40103280

約数和(自身を除く): 19798292

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 15913, 31826, 63652, 175043, 350086, 461477, 700172, 922954, 1845908, 5076247, 10152494, 20304988]

約数ペア:

[(1, 20304988), (2, 10152494), (4, 5076247), (11, 1845908), (22, 922954), (29, 700172), (44, 461477), (58, 350086), (116, 175043), (319, 63652), (638, 31826), (1276, 15913)]