20129216

素因数分解:

$2^6\times {\mathrm{367}}^1\times {\mathrm{857}}^1$

素因数の和:1236

約数の個数: 28

約数和(自身を含む): 40099488

約数和(自身を除く): 19970272

約数列:

[1, 2, 4, 8, 16, 32, 64, 367, 734, 857, 1468, 1714, 2936, 3428, 5872, 6856, 11744, 13712, 23488, 27424, 54848, 314519, 629038, 1258076, 2516152, 5032304, 10064608, 20129216]

約数ペア:

[(1, 20129216), (2, 10064608), (4, 5032304), (8, 2516152), (16, 1258076), (32, 629038), (64, 314519), (367, 54848), (734, 27424), (857, 23488), (1468, 13712), (1714, 11744), (2936, 6856), (3428, 5872)]