20227570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 40745880

約数和(自身を除く): 20518310

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 121, 146, 229, 242, 365, 458, 605, 730, 803, 1145, 1210, 1606, 2290, 2519, 4015, 5038, 8030, 8833, 12595, 16717, 17666, 25190, 27709, 33434, 44165, 55418, 83585, 88330, 138545, 167170, 183887, 277090, 367774, 919435, 1838870, 2022757, 4045514, 10113785, 20227570]

約数ペア:

[(1, 20227570), (2, 10113785), (5, 4045514), (10, 2022757), (11, 1838870), (22, 919435), (55, 367774), (73, 277090), (110, 183887), (121, 167170), (146, 138545), (229, 88330), (242, 83585), (365, 55418), (458, 44165), (605, 33434), (730, 27709), (803, 25190), (1145, 17666), (1210, 16717), (1606, 12595), (2290, 8833), (2519, 8030), (4015, 5038)]