20229507

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 12792573

約数列:

[1, 3, 9, 17, 27, 51, 59, 81, 83, 153, 177, 243, 249, 459, 531, 747, 1003, 1377, 1411, 1593, 2241, 3009, 4131, 4233, 4779, 4897, 6723, 9027, 12699, 14337, 14691, 20169, 27081, 38097, 44073, 81243, 83249, 114291, 132219, 243729, 249747, 342873, 396657, 749241, 1189971, 2247723, 6743169, 20229507]

約数ペア:

[(1, 20229507), (3, 6743169), (9, 2247723), (17, 1189971), (27, 749241), (51, 396657), (59, 342873), (81, 249747), (83, 243729), (153, 132219), (177, 114291), (243, 83249), (249, 81243), (459, 44073), (531, 38097), (747, 27081), (1003, 20169), (1377, 14691), (1411, 14337), (1593, 12699), (2241, 9027), (3009, 6723), (4131, 4897), (4233, 4779)]