20277304

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 18890696

約数列:

[1, 2, 4, 8, 47, 94, 188, 199, 271, 376, 398, 542, 796, 1084, 1592, 2168, 9353, 12737, 18706, 25474, 37412, 50948, 53929, 74824, 101896, 107858, 215716, 431432, 2534663, 5069326, 10138652, 20277304]

約数ペア:

[(1, 20277304), (2, 10138652), (4, 5069326), (8, 2534663), (47, 431432), (94, 215716), (188, 107858), (199, 101896), (271, 74824), (376, 53929), (398, 50948), (542, 37412), (796, 25474), (1084, 18706), (1592, 12737), (2168, 9353)]