20681674956

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{673}}^1\times {\mathrm{23071}}^1$

素因数の和:23791

約数の個数: 72

約数和(自身を含む): 53773725824

約数和(自身を除く): 33092050868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 673, 1332, 1346, 2019, 2692, 4038, 6057, 8076, 12114, 23071, 24228, 24901, 46142, 49802, 69213, 74703, 92284, 99604, 138426, 149406, 207639, 224109, 276852, 298812, 415278, 448218, 830556, 853627, 896436, 1707254, 2560881, 3414508, 5121762, 7682643, 10243524, 15365286, 15526783, 30730572, 31053566, 46580349, 62107132, 93160698, 139741047, 186321396, 279482094, 558964188, 574490971, 1148981942, 1723472913, 2297963884, 3446945826, 5170418739, 6893891652, 10340837478, 20681674956]

約数ペア:

[(1, 20681674956), (2, 10340837478), (3, 6893891652), (4, 5170418739), (6, 3446945826), (9, 2297963884), (12, 1723472913), (18, 1148981942), (36, 574490971), (37, 558964188), (74, 279482094), (111, 186321396), (148, 139741047), (222, 93160698), (333, 62107132), (444, 46580349), (666, 31053566), (673, 30730572), (1332, 15526783), (1346, 15365286), (2019, 10243524), (2692, 7682643), (4038, 5121762), (6057, 3414508), (8076, 2560881), (12114, 1707254), (23071, 896436), (24228, 853627), (24901, 830556), (46142, 448218), (49802, 415278), (69213, 298812), (74703, 276852), (92284, 224109), (99604, 207639), (138426, 149406)]