20918272

素因数分解:

$2^{12}\times {\mathrm{5107}}^1$

素因数の和:5131

約数の個数: 26

約数和(自身を含む): 41839628

約数和(自身を除く): 20921356

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 5107, 10214, 20428, 40856, 81712, 163424, 326848, 653696, 1307392, 2614784, 5229568, 10459136, 20918272]

約数ペア:

[(1, 20918272), (2, 10459136), (4, 5229568), (8, 2614784), (16, 1307392), (32, 653696), (64, 326848), (128, 163424), (256, 81712), (512, 40856), (1024, 20428), (2048, 10214), (4096, 5107)]