20699583088

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1303}}^1\times {\mathrm{9109}}^1$

素因数の和:10529

約数の個数: 40

約数和(自身を含む): 40508890400

約数和(自身を除く): 19809307312

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1303, 1744, 2606, 5212, 9109, 10424, 18218, 20848, 36436, 72872, 142027, 145744, 284054, 568108, 992881, 1136216, 1985762, 2272432, 3971524, 7943048, 11869027, 15886096, 23738054, 47476108, 94952216, 189904432, 1293723943, 2587447886, 5174895772, 10349791544, 20699583088]

約数ペア:

[(1, 20699583088), (2, 10349791544), (4, 5174895772), (8, 2587447886), (16, 1293723943), (109, 189904432), (218, 94952216), (436, 47476108), (872, 23738054), (1303, 15886096), (1744, 11869027), (2606, 7943048), (5212, 3971524), (9109, 2272432), (10424, 1985762), (18218, 1136216), (20848, 992881), (36436, 568108), (72872, 284054), (142027, 145744)]