20195288

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2677}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 40491360

約数和(自身を除く): 20296072

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2677, 3772, 5354, 7544, 10708, 21416, 61571, 109757, 123142, 219514, 246284, 439028, 492568, 878056, 2524411, 5048822, 10097644, 20195288]

約数ペア:

[(1, 20195288), (2, 10097644), (4, 5048822), (8, 2524411), (23, 878056), (41, 492568), (46, 439028), (82, 246284), (92, 219514), (164, 123142), (184, 109757), (328, 61571), (943, 21416), (1886, 10708), (2677, 7544), (3772, 5354)]