20913105

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8059}}^1$

素因数の和:8240

約数の個数: 16

約数和(自身を含む): 33658560

約数和(自身を除く): 12745455

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 8059, 24177, 40295, 120885, 1394207, 4182621, 6971035, 20913105]

約数ペア:

[(1, 20913105), (3, 6971035), (5, 4182621), (15, 1394207), (173, 120885), (519, 40295), (865, 24177), (2595, 8059)]