20100645

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1061}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 34956792

約数和(自身を除く): 14856147

約数列:

[1, 3, 5, 9, 15, 45, 421, 1061, 1263, 2105, 3183, 3789, 5305, 6315, 9549, 15915, 18945, 47745, 446681, 1340043, 2233405, 4020129, 6700215, 20100645]

約数ペア:

[(1, 20100645), (3, 6700215), (5, 4020129), (9, 2233405), (15, 1340043), (45, 446681), (421, 47745), (1061, 18945), (1263, 15915), (2105, 9549), (3183, 6315), (3789, 5305)]