20139966416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{944297}}^1$

素因数の和:944379

約数の個数: 40

約数和(自身を含む): 41216719104

約数和(自身を除く): 21076752688

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328, 944297, 1888594, 3777188, 7554376, 15108752, 29273207, 40604771, 58546414, 81209542, 117092828, 162419084, 234185656, 324838168, 468371312, 649676336, 1258747901, 2517495802, 5034991604, 10069983208, 20139966416]

約数ペア:

[(1, 20139966416), (2, 10069983208), (4, 5034991604), (8, 2517495802), (16, 1258747901), (31, 649676336), (43, 468371312), (62, 324838168), (86, 234185656), (124, 162419084), (172, 117092828), (248, 81209542), (344, 58546414), (496, 40604771), (688, 29273207), (1333, 15108752), (2666, 7554376), (5332, 3777188), (10664, 1888594), (21328, 944297)]