20913655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35149}}^1$

素因数の和:35178

約数の個数: 16

約数和(自身を含む): 30369600

約数和(自身を除く): 9455945

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35149, 175745, 246043, 597533, 1230215, 2987665, 4182731, 20913655]

約数ペア:

[(1, 20913655), (5, 4182731), (7, 2987665), (17, 1230215), (35, 597533), (85, 246043), (119, 175745), (595, 35149)]