20868825

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4153}}^1$

素因数の和:4233

約数の個数: 24

約数和(自身を含む): 35026528

約数和(自身を除く): 14157703

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4153, 5025, 12459, 20765, 62295, 103825, 278251, 311475, 834753, 1391255, 4173765, 6956275, 20868825]

約数ペア:

[(1, 20868825), (3, 6956275), (5, 4173765), (15, 1391255), (25, 834753), (67, 311475), (75, 278251), (201, 103825), (335, 62295), (1005, 20765), (1675, 12459), (4153, 5025)]