20099068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 39079656

約数和(自身を除く): 18980588

約数列:

[1, 2, 4, 11, 22, 44, 121, 131, 242, 262, 317, 484, 524, 634, 1268, 1441, 2882, 3487, 5764, 6974, 13948, 15851, 31702, 38357, 41527, 63404, 76714, 83054, 153428, 166108, 456797, 913594, 1827188, 5024767, 10049534, 20099068]

約数ペア:

[(1, 20099068), (2, 10049534), (4, 5024767), (11, 1827188), (22, 913594), (44, 456797), (121, 166108), (131, 153428), (242, 83054), (262, 76714), (317, 63404), (484, 41527), (524, 38357), (634, 31702), (1268, 15851), (1441, 13948), (2882, 6974), (3487, 5764)]