20686914

素因数分解:

$2^1\times 3^4\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:752

約数の個数: 40

約数和(自身を含む): 46622268

約数和(自身を除く): 25935354

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 277, 461, 554, 831, 922, 1383, 1662, 2493, 2766, 4149, 4986, 7479, 8298, 12447, 14958, 22437, 24894, 37341, 44874, 74682, 127697, 255394, 383091, 766182, 1149273, 2298546, 3447819, 6895638, 10343457, 20686914]

約数ペア:

[(1, 20686914), (2, 10343457), (3, 6895638), (6, 3447819), (9, 2298546), (18, 1149273), (27, 766182), (54, 383091), (81, 255394), (162, 127697), (277, 74682), (461, 44874), (554, 37341), (831, 24894), (922, 22437), (1383, 14958), (1662, 12447), (2493, 8298), (2766, 7479), (4149, 4986)]