20219827545

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4122289}}^1$

素因数の和:4122409

約数の個数: 24

約数和(自身を含む): 35369248200

約数和(自身を除く): 15149420655

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 4122289, 12366867, 20611445, 37100601, 61834335, 185503005, 449329501, 1347988503, 2246647505, 4043965509, 6739942515, 20219827545]

約数ペア:

[(1, 20219827545), (3, 6739942515), (5, 4043965509), (9, 2246647505), (15, 1347988503), (45, 449329501), (109, 185503005), (327, 61834335), (545, 37100601), (981, 20611445), (1635, 12366867), (4905, 4122289)]