20522425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1558

約数の個数: 36

約数和(自身を含む): 32314896

約数和(自身を除く): 11792471

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1523, 1925, 2695, 7615, 10661, 13475, 16753, 38075, 53305, 74627, 83765, 117271, 266525, 373135, 418825, 586355, 820897, 1865675, 2931775, 4104485, 20522425]

約数ペア:

[(1, 20522425), (5, 4104485), (7, 2931775), (11, 1865675), (25, 820897), (35, 586355), (49, 418825), (55, 373135), (77, 266525), (175, 117271), (245, 83765), (275, 74627), (385, 53305), (539, 38075), (1225, 16753), (1523, 13475), (1925, 10661), (2695, 7615)]