20166045855

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 33037994880

約数和(自身を除く): 12871949025

約数列:

[1, 3, 5, 15, 109, 137, 197, 327, 411, 457, 545, 591, 685, 985, 1371, 1635, 2055, 2285, 2955, 6855, 14933, 21473, 26989, 44799, 49813, 62609, 64419, 74665, 80967, 90029, 107365, 134945, 149439, 187827, 223995, 249065, 270087, 313045, 322095, 404835, 450145, 747195, 939135, 1350435, 2941801, 6824381, 8825403, 9813161, 12333973, 14709005, 20473143, 29439483, 34121905, 37001919, 44127015, 49065805, 61669865, 102365715, 147197415, 185009595, 1344403057, 4033209171, 6722015285, 20166045855]

約数ペア:

[(1, 20166045855), (3, 6722015285), (5, 4033209171), (15, 1344403057), (109, 185009595), (137, 147197415), (197, 102365715), (327, 61669865), (411, 49065805), (457, 44127015), (545, 37001919), (591, 34121905), (685, 29439483), (985, 20473143), (1371, 14709005), (1635, 12333973), (2055, 9813161), (2285, 8825403), (2955, 6824381), (6855, 2941801), (14933, 1350435), (21473, 939135), (26989, 747195), (44799, 450145), (49813, 404835), (62609, 322095), (64419, 313045), (74665, 270087), (80967, 249065), (90029, 223995), (107365, 187827), (134945, 149439)]