20550218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{977}}^1$

素因数の和:1801

約数の個数: 16

約数和(自身を含む): 33271560

約数和(自身を除く): 12721342

約数列:

[1, 2, 13, 26, 809, 977, 1618, 1954, 10517, 12701, 21034, 25402, 790393, 1580786, 10275109, 20550218]

約数ペア:

[(1, 20550218), (2, 10275109), (13, 1580786), (26, 790393), (809, 25402), (977, 21034), (1618, 12701), (1954, 10517)]