20286448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13933}}^1$

素因数の和:13961

約数の個数: 40

約数和(自身を含む): 48378848

約数和(自身を除く): 28092400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13933, 27866, 55732, 97531, 111464, 181129, 195062, 222928, 362258, 390124, 724516, 780248, 1267903, 1449032, 1560496, 2535806, 2898064, 5071612, 10143224, 20286448]

約数ペア:

[(1, 20286448), (2, 10143224), (4, 5071612), (7, 2898064), (8, 2535806), (13, 1560496), (14, 1449032), (16, 1267903), (26, 780248), (28, 724516), (52, 390124), (56, 362258), (91, 222928), (104, 195062), (112, 181129), (182, 111464), (208, 97531), (364, 55732), (728, 27866), (1456, 13933)]