20825216

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8563}}^1$

素因数の和:8596

約数の個数: 32

約数和(自身を含む): 43676400

約数和(自身を除く): 22851184

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8563, 17126, 34252, 68504, 137008, 162697, 274016, 325394, 548032, 650788, 1096064, 1301576, 2603152, 5206304, 10412608, 20825216]

約数ペア:

[(1, 20825216), (2, 10412608), (4, 5206304), (8, 2603152), (16, 1301576), (19, 1096064), (32, 650788), (38, 548032), (64, 325394), (76, 274016), (128, 162697), (152, 137008), (304, 68504), (608, 34252), (1216, 17126), (2432, 8563)]