20155916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3607}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 38793216

約数和(自身を除く): 18637300

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3607, 5588, 7214, 14428, 39677, 79354, 158708, 458089, 916178, 1832356, 5038979, 10077958, 20155916]

約数ペア:

[(1, 20155916), (2, 10077958), (4, 5038979), (11, 1832356), (22, 916178), (44, 458089), (127, 158708), (254, 79354), (508, 39677), (1397, 14428), (2794, 7214), (3607, 5588)]