20604204

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 55783728

約数和(自身を除く): 35179524

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 257, 262, 306, 393, 514, 524, 612, 771, 786, 1028, 1179, 1542, 1572, 2227, 2313, 2358, 3084, 4369, 4454, 4626, 4716, 6681, 8738, 8908, 9252, 13107, 13362, 17476, 20043, 26214, 26724, 33667, 39321, 40086, 52428, 67334, 78642, 80172, 101001, 134668, 157284, 202002, 303003, 404004, 572339, 606006, 1144678, 1212012, 1717017, 2289356, 3434034, 5151051, 6868068, 10302102, 20604204]

約数ペア:

[(1, 20604204), (2, 10302102), (3, 6868068), (4, 5151051), (6, 3434034), (9, 2289356), (12, 1717017), (17, 1212012), (18, 1144678), (34, 606006), (36, 572339), (51, 404004), (68, 303003), (102, 202002), (131, 157284), (153, 134668), (204, 101001), (257, 80172), (262, 78642), (306, 67334), (393, 52428), (514, 40086), (524, 39321), (612, 33667), (771, 26724), (786, 26214), (1028, 20043), (1179, 17476), (1542, 13362), (1572, 13107), (2227, 9252), (2313, 8908), (2358, 8738), (3084, 6681), (4369, 4716), (4454, 4626)]