20488713

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3767}}^1$

素因数の和:3821

約数の個数: 24

約数和(自身を含む): 32645952

約数和(自身を除く): 12157239

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3767, 5439, 11301, 26369, 79107, 139379, 184583, 418137, 553749, 975653, 2926959, 6829571, 20488713]

約数ペア:

[(1, 20488713), (3, 6829571), (7, 2926959), (21, 975653), (37, 553749), (49, 418137), (111, 184583), (147, 139379), (259, 79107), (777, 26369), (1813, 11301), (3767, 5439)]