20781632

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{11197}}^1$

素因数の和:11238

約数の個数: 28

約数和(自身を含む): 42664380

約数和(自身を除く): 21882748

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856, 11197, 22394, 44788, 89576, 179152, 324713, 358304, 649426, 716608, 1298852, 2597704, 5195408, 10390816, 20781632]

約数ペア:

[(1, 20781632), (2, 10390816), (4, 5195408), (8, 2597704), (16, 1298852), (29, 716608), (32, 649426), (58, 358304), (64, 324713), (116, 179152), (232, 89576), (464, 44788), (928, 22394), (1856, 11197)]