20238250545

素因数分解:

$3^4\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{34439}}^1$

素因数の和:35907

約数の個数: 40

約数和(自身を含む): 36304994880

約数和(自身を除く): 16066744335

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1451, 4353, 7255, 13059, 21765, 34439, 39177, 65295, 103317, 117531, 172195, 195885, 309951, 516585, 587655, 929853, 1549755, 2789559, 4649265, 13947795, 49970989, 149912967, 249854945, 449738901, 749564835, 1349216703, 2248694505, 4047650109, 6746083515, 20238250545]

約数ペア:

[(1, 20238250545), (3, 6746083515), (5, 4047650109), (9, 2248694505), (15, 1349216703), (27, 749564835), (45, 449738901), (81, 249854945), (135, 149912967), (405, 49970989), (1451, 13947795), (4353, 4649265), (7255, 2789559), (13059, 1549755), (21765, 929853), (34439, 587655), (39177, 516585), (65295, 309951), (103317, 195885), (117531, 172195)]