20353725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{12923}}^1$

素因数の和:12946

約数の個数: 36

約数和(自身を含む): 41666976

約数和(自身を除く): 21313251

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 12923, 38769, 64615, 90461, 116307, 193845, 271383, 323075, 452305, 581535, 814149, 969225, 1356915, 2261525, 2907675, 4070745, 6784575, 20353725]

約数ペア:

[(1, 20353725), (3, 6784575), (5, 4070745), (7, 2907675), (9, 2261525), (15, 1356915), (21, 969225), (25, 814149), (35, 581535), (45, 452305), (63, 323075), (75, 271383), (105, 193845), (175, 116307), (225, 90461), (315, 64615), (525, 38769), (1575, 12923)]