20803716

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 57788640

約数和(自身を除く): 36984924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1259, 1377, 1836, 2518, 2754, 3777, 4131, 5036, 5508, 7554, 8262, 11331, 15108, 16524, 21403, 22662, 33993, 42806, 45324, 64209, 67986, 85612, 101979, 128418, 135972, 192627, 203958, 256836, 305937, 385254, 407916, 577881, 611874, 770508, 1155762, 1223748, 1733643, 2311524, 3467286, 5200929, 6934572, 10401858, 20803716]

約数ペア:

[(1, 20803716), (2, 10401858), (3, 6934572), (4, 5200929), (6, 3467286), (9, 2311524), (12, 1733643), (17, 1223748), (18, 1155762), (27, 770508), (34, 611874), (36, 577881), (51, 407916), (54, 385254), (68, 305937), (81, 256836), (102, 203958), (108, 192627), (153, 135972), (162, 128418), (204, 101979), (243, 85612), (306, 67986), (324, 64209), (459, 45324), (486, 42806), (612, 33993), (918, 22662), (972, 21403), (1259, 16524), (1377, 15108), (1836, 11331), (2518, 8262), (2754, 7554), (3777, 5508), (4131, 5036)]