20176490916

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{24917}}^1$

素因数の和:25281

約数の個数: 72

約数和(自身を含む): 51808708224

約数和(自身を除く): 31632217308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 271, 332, 498, 542, 747, 813, 996, 1084, 1494, 1626, 2439, 2988, 3252, 4878, 9756, 22493, 24917, 44986, 49834, 67479, 74751, 89972, 99668, 134958, 149502, 202437, 224253, 269916, 299004, 404874, 448506, 809748, 897012, 2068111, 4136222, 6204333, 6752507, 8272444, 12408666, 13505014, 18612999, 20257521, 24817332, 27010028, 37225998, 40515042, 60772563, 74451996, 81030084, 121545126, 243090252, 560458081, 1120916162, 1681374243, 2241832324, 3362748486, 5044122729, 6725496972, 10088245458, 20176490916]

約数ペア:

[(1, 20176490916), (2, 10088245458), (3, 6725496972), (4, 5044122729), (6, 3362748486), (9, 2241832324), (12, 1681374243), (18, 1120916162), (36, 560458081), (83, 243090252), (166, 121545126), (249, 81030084), (271, 74451996), (332, 60772563), (498, 40515042), (542, 37225998), (747, 27010028), (813, 24817332), (996, 20257521), (1084, 18612999), (1494, 13505014), (1626, 12408666), (2439, 8272444), (2988, 6752507), (3252, 6204333), (4878, 4136222), (9756, 2068111), (22493, 897012), (24917, 809748), (44986, 448506), (49834, 404874), (67479, 299004), (74751, 269916), (89972, 224253), (99668, 202437), (134958, 149502)]