20448144

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8353}}^1$

素因数の和:8384

約数の個数: 60

約数和(自身を含む): 60599916

約数和(自身を除く): 40151772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8353, 16706, 25059, 33412, 50118, 66824, 75177, 100236, 133648, 142001, 150354, 200472, 284002, 300708, 400944, 426003, 568004, 601416, 852006, 1136008, 1202832, 1278009, 1704012, 2272016, 2556018, 3408024, 5112036, 6816048, 10224072, 20448144]

約数ペア:

[(1, 20448144), (2, 10224072), (3, 6816048), (4, 5112036), (6, 3408024), (8, 2556018), (9, 2272016), (12, 1704012), (16, 1278009), (17, 1202832), (18, 1136008), (24, 852006), (34, 601416), (36, 568004), (48, 426003), (51, 400944), (68, 300708), (72, 284002), (102, 200472), (136, 150354), (144, 142001), (153, 133648), (204, 100236), (272, 75177), (306, 66824), (408, 50118), (612, 33412), (816, 25059), (1224, 16706), (2448, 8353)]