20758016

素因数分解:

$2^9\times {\mathrm{40543}}^1$

素因数の和:40561

約数の個数: 20

約数和(自身を含む): 41476512

約数和(自身を除く): 20718496

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40543, 81086, 162172, 324344, 648688, 1297376, 2594752, 5189504, 10379008, 20758016]

約数ペア:

[(1, 20758016), (2, 10379008), (4, 5189504), (8, 2594752), (16, 1297376), (32, 648688), (64, 324344), (128, 162172), (256, 81086), (512, 40543)]