20476225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{967}}^1$

素因数の和:1006

約数の個数: 36

約数和(自身を含む): 31928512

約数和(自身を除く): 11452287

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 967, 1925, 3025, 4235, 4835, 6769, 10637, 21175, 24175, 33845, 53185, 74459, 117007, 169225, 265925, 372295, 585035, 819049, 1861475, 2925175, 4095245, 20476225]

約数ペア:

[(1, 20476225), (5, 4095245), (7, 2925175), (11, 1861475), (25, 819049), (35, 585035), (55, 372295), (77, 265925), (121, 169225), (175, 117007), (275, 74459), (385, 53185), (605, 33845), (847, 24175), (967, 21175), (1925, 10637), (3025, 6769), (4235, 4835)]