20805900605

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5771401}}^1$

素因数の和:5771516

約数の個数: 16

約数和(自身を含む): 28810838784

約数和(自身を除く): 8004938179

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 5771401, 28857005, 40399807, 201999035, 594454303, 2972271515, 4161180121, 20805900605]

約数ペア:

[(1, 20805900605), (5, 4161180121), (7, 2972271515), (35, 594454303), (103, 201999035), (515, 40399807), (721, 28857005), (3605, 5771401)]