20481350

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{11071}}^1$

素因数の和:11120

約数の個数: 24

約数和(自身を含む): 39128448

約数和(自身を除く): 18647098

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 370, 925, 1850, 11071, 22142, 55355, 110710, 276775, 409627, 553550, 819254, 2048135, 4096270, 10240675, 20481350]

約数ペア:

[(1, 20481350), (2, 10240675), (5, 4096270), (10, 2048135), (25, 819254), (37, 553550), (50, 409627), (74, 276775), (185, 110710), (370, 55355), (925, 22142), (1850, 11071)]