20187170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 37966320

約数和(自身を除く): 17779150

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 929, 1858, 2173, 4346, 4645, 9290, 10865, 21730, 38089, 49237, 76178, 98474, 190445, 246185, 380890, 492370, 2018717, 4037434, 10093585, 20187170]

約数ペア:

[(1, 20187170), (2, 10093585), (5, 4037434), (10, 2018717), (41, 492370), (53, 380890), (82, 246185), (106, 190445), (205, 98474), (265, 76178), (410, 49237), (530, 38089), (929, 21730), (1858, 10865), (2173, 9290), (4346, 4645)]