20147810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 37506672

約数和(自身を除く): 17358862

約数列:

[1, 2, 5, 10, 41, 82, 157, 205, 313, 314, 410, 626, 785, 1565, 1570, 3130, 6437, 12833, 12874, 25666, 32185, 49141, 64165, 64370, 98282, 128330, 245705, 491410, 2014781, 4029562, 10073905, 20147810]

約数ペア:

[(1, 20147810), (2, 10073905), (5, 4029562), (10, 2014781), (41, 491410), (82, 245705), (157, 128330), (205, 98282), (313, 64370), (314, 64165), (410, 49141), (626, 32185), (785, 25666), (1565, 12874), (1570, 12833), (3130, 6437)]