20128046416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{291677}}^1$

素因数の和:291931

約数の個数: 40

約数和(自身を含む): 41231602080

約数和(自身を除く): 21103555664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 227, 304, 454, 908, 1816, 3632, 4313, 8626, 17252, 34504, 69008, 291677, 583354, 1166708, 2333416, 4666832, 5541863, 11083726, 22167452, 44334904, 66210679, 88669808, 132421358, 264842716, 529685432, 1059370864, 1258002901, 2516005802, 5032011604, 10064023208, 20128046416]

約数ペア:

[(1, 20128046416), (2, 10064023208), (4, 5032011604), (8, 2516005802), (16, 1258002901), (19, 1059370864), (38, 529685432), (76, 264842716), (152, 132421358), (227, 88669808), (304, 66210679), (454, 44334904), (908, 22167452), (1816, 11083726), (3632, 5541863), (4313, 4666832), (8626, 2333416), (17252, 1166708), (34504, 583354), (69008, 291677)]