20481916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56269}}^1$

素因数の和:56293

約数の個数: 24

約数和(自身を含む): 44115680

約数和(自身を除く): 23633764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56269, 112538, 225076, 393883, 731497, 787766, 1462994, 1575532, 2925988, 5120479, 10240958, 20481916]

約数ペア:

[(1, 20481916), (2, 10240958), (4, 5120479), (7, 2925988), (13, 1575532), (14, 1462994), (26, 787766), (28, 731497), (52, 393883), (91, 225076), (182, 112538), (364, 56269)]