20832525

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4409}}^1$

素因数の和:4435

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 22914675

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4409, 4725, 13227, 22045, 30863, 39681, 66135, 92589, 110225, 119043, 154315, 198405, 277767, 330675, 462945, 595215, 771575, 833301, 992025, 1388835, 2314725, 2976075, 4166505, 6944175, 20832525]

約数ペア:

[(1, 20832525), (3, 6944175), (5, 4166505), (7, 2976075), (9, 2314725), (15, 1388835), (21, 992025), (25, 833301), (27, 771575), (35, 595215), (45, 462945), (63, 330675), (75, 277767), (105, 198405), (135, 154315), (175, 119043), (189, 110225), (225, 92589), (315, 66135), (525, 39681), (675, 30863), (945, 22045), (1575, 13227), (4409, 4725)]