20874525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39761}}^1$

素因数の和:39781

約数の個数: 24

約数和(自身を含む): 39443904

約数和(自身を除く): 18569379

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39761, 119283, 198805, 278327, 596415, 834981, 994025, 1391635, 2982075, 4174905, 6958175, 20874525]

約数ペア:

[(1, 20874525), (3, 6958175), (5, 4174905), (7, 2982075), (15, 1391635), (21, 994025), (25, 834981), (35, 596415), (75, 278327), (105, 198805), (175, 119283), (525, 39761)]