20047105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1723}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 26066880

約数和(自身を除く): 6019775

約数列:

[1, 5, 13, 65, 179, 895, 1723, 2327, 8615, 11635, 22399, 111995, 308417, 1542085, 4009421, 20047105]

約数ペア:

[(1, 20047105), (5, 4009421), (13, 1542085), (65, 308417), (179, 111995), (895, 22399), (1723, 11635), (2327, 8615)]