20366145

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4481}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 35658792

約数和(自身を除く): 15292647

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4481, 4545, 13443, 22405, 40329, 67215, 201645, 452581, 1357743, 2262905, 4073229, 6788715, 20366145]

約数ペア:

[(1, 20366145), (3, 6788715), (5, 4073229), (9, 2262905), (15, 1357743), (45, 452581), (101, 201645), (303, 67215), (505, 40329), (909, 22405), (1515, 13443), (4481, 4545)]