20170742585

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{187661}}^1$

素因数の和:187793

約数の個数: 32

約数和(自身を含む): 28752820992

約数和(自身を除く): 8582078407

約数列:

[1, 5, 7, 35, 37, 83, 185, 259, 415, 581, 1295, 2905, 3071, 15355, 21497, 107485, 187661, 938305, 1313627, 6568135, 6943457, 15575863, 34717285, 48604199, 77879315, 109031041, 243020995, 545155205, 576306931, 2881534655, 4034148517, 20170742585]

約数ペア:

[(1, 20170742585), (5, 4034148517), (7, 2881534655), (35, 576306931), (37, 545155205), (83, 243020995), (185, 109031041), (259, 77879315), (415, 48604199), (581, 34717285), (1295, 15575863), (2905, 6943457), (3071, 6568135), (15355, 1313627), (21497, 938305), (107485, 187661)]