20970368

素因数分解:

$2^7\times {\mathrm{173}}^1\times {\mathrm{947}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 42062760

約数和(自身を除く): 21092392

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 173, 346, 692, 947, 1384, 1894, 2768, 3788, 5536, 7576, 11072, 15152, 22144, 30304, 60608, 121216, 163831, 327662, 655324, 1310648, 2621296, 5242592, 10485184, 20970368]

約数ペア:

[(1, 20970368), (2, 10485184), (4, 5242592), (8, 2621296), (16, 1310648), (32, 655324), (64, 327662), (128, 163831), (173, 121216), (346, 60608), (692, 30304), (947, 22144), (1384, 15152), (1894, 11072), (2768, 7576), (3788, 5536)]