20180288

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 56

約数和(自身を含む): 42245280

約数和(自身を除く): 22064992

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 83, 116, 131, 166, 232, 262, 332, 464, 524, 664, 928, 1048, 1328, 1856, 2096, 2407, 2656, 3799, 4192, 4814, 5312, 7598, 8384, 9628, 10873, 15196, 19256, 21746, 30392, 38512, 43492, 60784, 77024, 86984, 121568, 154048, 173968, 243136, 315317, 347936, 630634, 695872, 1261268, 2522536, 5045072, 10090144, 20180288]

約数ペア:

[(1, 20180288), (2, 10090144), (4, 5045072), (8, 2522536), (16, 1261268), (29, 695872), (32, 630634), (58, 347936), (64, 315317), (83, 243136), (116, 173968), (131, 154048), (166, 121568), (232, 86984), (262, 77024), (332, 60784), (464, 43492), (524, 38512), (664, 30392), (928, 21746), (1048, 19256), (1328, 15196), (1856, 10873), (2096, 9628), (2407, 8384), (2656, 7598), (3799, 5312), (4192, 4814)]