20899018

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87811}}^1$

素因数の和:87837

約数の個数: 16

約数和(自身を含む): 37934784

約数和(自身を除く): 17035766

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87811, 175622, 614677, 1229354, 1492787, 2985574, 10449509, 20899018]

約数ペア:

[(1, 20899018), (2, 10449509), (7, 2985574), (14, 1492787), (17, 1229354), (34, 614677), (119, 175622), (238, 87811)]