20960728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6701}}^1$

素因数の和:6747

約数の個数: 32

約数和(自身を含む): 43428960

約数和(自身を除く): 22468232

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6701, 13402, 26804, 53608, 113917, 154123, 227834, 308246, 455668, 616492, 911336, 1232984, 2620091, 5240182, 10480364, 20960728]

約数ペア:

[(1, 20960728), (2, 10480364), (4, 5240182), (8, 2620091), (17, 1232984), (23, 911336), (34, 616492), (46, 455668), (68, 308246), (92, 227834), (136, 154123), (184, 113917), (391, 53608), (782, 26804), (1564, 13402), (3128, 6701)]