20797335

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 39434304

約数和(自身を除く): 18636969

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 117, 195, 219, 365, 487, 585, 657, 949, 1095, 1461, 2435, 2847, 3285, 4383, 4745, 6331, 7305, 8541, 14235, 18993, 21915, 31655, 35551, 42705, 56979, 94965, 106653, 177755, 284895, 319959, 462163, 533265, 1386489, 1599795, 2310815, 4159467, 6932445, 20797335]

約数ペア:

[(1, 20797335), (3, 6932445), (5, 4159467), (9, 2310815), (13, 1599795), (15, 1386489), (39, 533265), (45, 462163), (65, 319959), (73, 284895), (117, 177755), (195, 106653), (219, 94965), (365, 56979), (487, 42705), (585, 35551), (657, 31655), (949, 21915), (1095, 18993), (1461, 14235), (2435, 8541), (2847, 7305), (3285, 6331), (4383, 4745)]