20963456

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 42024000

約数和(自身を除く): 21060544

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 823, 1592, 1646, 3184, 3292, 6368, 6584, 12736, 13168, 25472, 26336, 52672, 105344, 163777, 327554, 655108, 1310216, 2620432, 5240864, 10481728, 20963456]

約数ペア:

[(1, 20963456), (2, 10481728), (4, 5240864), (8, 2620432), (16, 1310216), (32, 655108), (64, 327554), (128, 163777), (199, 105344), (398, 52672), (796, 26336), (823, 25472), (1592, 13168), (1646, 12736), (3184, 6584), (3292, 6368)]