20451417

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26321}}^1$

素因数の和:26368

約数の個数: 16

約数和(自身を含む): 32007552

約数和(自身を除く): 11556135

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26321, 78963, 184247, 552741, 973877, 2921631, 6817139, 20451417]

約数ペア:

[(1, 20451417), (3, 6817139), (7, 2921631), (21, 973877), (37, 552741), (111, 184247), (259, 78963), (777, 26321)]