20778012

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11317}}^1$

素因数の和:11347

約数の個数: 48

約数和(自身を含む): 57042720

約数和(自身を除く): 36264708

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11317, 22634, 33951, 45268, 67902, 101853, 135804, 192389, 203706, 305559, 384778, 407412, 577167, 611118, 769556, 1154334, 1222236, 1731501, 2308668, 3463002, 5194503, 6926004, 10389006, 20778012]

約数ペア:

[(1, 20778012), (2, 10389006), (3, 6926004), (4, 5194503), (6, 3463002), (9, 2308668), (12, 1731501), (17, 1222236), (18, 1154334), (27, 769556), (34, 611118), (36, 577167), (51, 407412), (54, 384778), (68, 305559), (102, 203706), (108, 192389), (153, 135804), (204, 101853), (306, 67902), (459, 45268), (612, 33951), (918, 22634), (1836, 11317)]