20726272

素因数分解:

$2^9\times 7^1\times {\mathrm{5783}}^1$

素因数の和:5808

約数の個数: 40

約数和(自身を含む): 47336256

約数和(自身を除く): 26609984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5783, 11566, 23132, 40481, 46264, 80962, 92528, 161924, 185056, 323848, 370112, 647696, 740224, 1295392, 1480448, 2590784, 2960896, 5181568, 10363136, 20726272]

約数ペア:

[(1, 20726272), (2, 10363136), (4, 5181568), (7, 2960896), (8, 2590784), (14, 1480448), (16, 1295392), (28, 740224), (32, 647696), (56, 370112), (64, 323848), (112, 185056), (128, 161924), (224, 92528), (256, 80962), (448, 46264), (512, 40481), (896, 23132), (1792, 11566), (3584, 5783)]