20838412

素因数分解:

$2^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1423}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 41785856

約数和(自身を除く): 20947444

約数列:

[1, 2, 4, 7, 14, 28, 523, 1046, 1423, 2092, 2846, 3661, 5692, 7322, 9961, 14644, 19922, 39844, 744229, 1488458, 2976916, 5209603, 10419206, 20838412]

約数ペア:

[(1, 20838412), (2, 10419206), (4, 5209603), (7, 2976916), (14, 1488458), (28, 744229), (523, 39844), (1046, 19922), (1423, 14644), (2092, 9961), (2846, 7322), (3661, 5692)]