20219180

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1933}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 42563472

約数和(自身を除く): 22344292

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1933, 2092, 2615, 3866, 5230, 7732, 9665, 10460, 19330, 38660, 1010959, 2021918, 4043836, 5054795, 10109590, 20219180]

約数ペア:

[(1, 20219180), (2, 10109590), (4, 5054795), (5, 4043836), (10, 2021918), (20, 1010959), (523, 38660), (1046, 19330), (1933, 10460), (2092, 9665), (2615, 7732), (3866, 5230)]