20099015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1321}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 25699680

約数和(自身を除く): 5600665

約数列:

[1, 5, 17, 85, 179, 895, 1321, 3043, 6605, 15215, 22457, 112285, 236459, 1182295, 4019803, 20099015]

約数ペア:

[(1, 20099015), (5, 4019803), (17, 1182295), (85, 236459), (179, 112285), (895, 22457), (1321, 15215), (3043, 6605)]