20675950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6779}}^1$

素因数の和:6852

約数の個数: 24

約数和(自身を含む): 39093480

約数和(自身を除く): 18417530

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 6779, 13558, 33895, 67790, 169475, 338950, 413519, 827038, 2067595, 4135190, 10337975, 20675950]

約数ペア:

[(1, 20675950), (2, 10337975), (5, 4135190), (10, 2067595), (25, 827038), (50, 413519), (61, 338950), (122, 169475), (305, 67790), (610, 33895), (1525, 13558), (3050, 6779)]