20435877

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 37844352

約数和(自身を除く): 17408475

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 797, 1221, 2331, 2391, 2849, 3663, 5579, 7173, 8547, 8767, 16737, 25641, 26301, 29489, 50211, 61369, 78903, 88467, 184107, 206423, 265401, 324379, 552321, 619269, 973137, 1857807, 2270653, 2919411, 6811959, 20435877]

約数ペア:

[(1, 20435877), (3, 6811959), (7, 2919411), (9, 2270653), (11, 1857807), (21, 973137), (33, 619269), (37, 552321), (63, 324379), (77, 265401), (99, 206423), (111, 184107), (231, 88467), (259, 78903), (333, 61369), (407, 50211), (693, 29489), (777, 26301), (797, 25641), (1221, 16737), (2331, 8767), (2391, 8547), (2849, 7173), (3663, 5579)]