20553525

素因数分解:

$3^2\times 5^2\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:730

約数の個数: 36

約数和(自身を含む): 37101792

約数和(自身を除く): 16548267

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 167, 225, 501, 547, 835, 1503, 1641, 2505, 2735, 4175, 4923, 7515, 8205, 12525, 13675, 24615, 37575, 41025, 91349, 123075, 274047, 456745, 822141, 1370235, 2283725, 4110705, 6851175, 20553525]

約数ペア:

[(1, 20553525), (3, 6851175), (5, 4110705), (9, 2283725), (15, 1370235), (25, 822141), (45, 456745), (75, 274047), (167, 123075), (225, 91349), (501, 41025), (547, 37575), (835, 24615), (1503, 13675), (1641, 12525), (2505, 8205), (2735, 7515), (4175, 4923)]