20029905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63587}}^1$

素因数の和:63605

約数の個数: 24

約数和(自身を含む): 39678912

約数和(自身を除く): 19649007

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63587, 190761, 317935, 445109, 572283, 953805, 1335327, 2225545, 2861415, 4005981, 6676635, 20029905]

約数ペア:

[(1, 20029905), (3, 6676635), (5, 4005981), (7, 2861415), (9, 2225545), (15, 1335327), (21, 953805), (35, 572283), (45, 445109), (63, 317935), (105, 190761), (315, 63587)]