20487075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39023}}^1$

素因数の和:39043

約数の個数: 24

約数和(自身を含む): 38711808

約数和(自身を除く): 18224733

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39023, 117069, 195115, 273161, 585345, 819483, 975575, 1365805, 2926725, 4097415, 6829025, 20487075]

約数ペア:

[(1, 20487075), (3, 6829025), (5, 4097415), (7, 2926725), (15, 1365805), (21, 975575), (25, 819483), (35, 585345), (75, 273161), (105, 195115), (175, 117069), (525, 39023)]