20587503

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 29281584

約数和(自身を除く): 8694081

約数列:

[1, 3, 31, 37, 93, 111, 193, 579, 961, 1147, 2883, 3441, 5983, 7141, 17949, 21423, 35557, 106671, 185473, 221371, 556419, 664113, 6862501, 20587503]

約数ペア:

[(1, 20587503), (3, 6862501), (31, 664113), (37, 556419), (93, 221371), (111, 185473), (193, 106671), (579, 35557), (961, 21423), (1147, 17949), (2883, 7141), (3441, 5983)]