20565325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 30373056

約数和(自身を除く): 9807731

約数列:

[1, 5, 11, 17, 25, 53, 55, 83, 85, 187, 265, 275, 415, 425, 583, 901, 913, 935, 1325, 1411, 2075, 2915, 4399, 4505, 4565, 4675, 7055, 9911, 14575, 15521, 21995, 22525, 22825, 35275, 48389, 49555, 74783, 77605, 109975, 241945, 247775, 373915, 388025, 822613, 1209725, 1869575, 4113065, 20565325]

約数ペア:

[(1, 20565325), (5, 4113065), (11, 1869575), (17, 1209725), (25, 822613), (53, 388025), (55, 373915), (83, 247775), (85, 241945), (187, 109975), (265, 77605), (275, 74783), (415, 49555), (425, 48389), (583, 35275), (901, 22825), (913, 22525), (935, 21995), (1325, 15521), (1411, 14575), (2075, 9911), (2915, 7055), (4399, 4675), (4505, 4565)]