20184464

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 41481720

約数和(自身を除く): 21297256

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 82, 116, 164, 232, 328, 464, 656, 1061, 1189, 2122, 2378, 4244, 4756, 8488, 9512, 16976, 19024, 30769, 43501, 61538, 87002, 123076, 174004, 246152, 348008, 492304, 696016, 1261529, 2523058, 5046116, 10092232, 20184464]

約数ペア:

[(1, 20184464), (2, 10092232), (4, 5046116), (8, 2523058), (16, 1261529), (29, 696016), (41, 492304), (58, 348008), (82, 246152), (116, 174004), (164, 123076), (232, 87002), (328, 61538), (464, 43501), (656, 30769), (1061, 19024), (1189, 16976), (2122, 9512), (2378, 8488), (4244, 4756)]