20177940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3467}}^1$

素因数の和:3576

約数の個数: 48

約数和(自身を含む): 57097152

約数和(自身を除く): 36919212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3467, 5820, 6934, 10401, 13868, 17335, 20802, 34670, 41604, 52005, 69340, 104010, 208020, 336299, 672598, 1008897, 1345196, 1681495, 2017794, 3362990, 4035588, 5044485, 6725980, 10088970, 20177940]

約数ペア:

[(1, 20177940), (2, 10088970), (3, 6725980), (4, 5044485), (5, 4035588), (6, 3362990), (10, 2017794), (12, 1681495), (15, 1345196), (20, 1008897), (30, 672598), (60, 336299), (97, 208020), (194, 104010), (291, 69340), (388, 52005), (485, 41604), (582, 34670), (970, 20802), (1164, 17335), (1455, 13868), (1940, 10401), (2910, 6934), (3467, 5820)]