20511856

素因数分解:

$2^4\times {\mathrm{683}}^1\times {\mathrm{1877}}^1$

素因数の和:2568

約数の個数: 20

約数和(自身を含む): 39821112

約数和(自身を除く): 19309256

約数列:

[1, 2, 4, 8, 16, 683, 1366, 1877, 2732, 3754, 5464, 7508, 10928, 15016, 30032, 1281991, 2563982, 5127964, 10255928, 20511856]

約数ペア:

[(1, 20511856), (2, 10255928), (4, 5127964), (8, 2563982), (16, 1281991), (683, 30032), (1366, 15016), (1877, 10928), (2732, 7508), (3754, 5464)]