20512679409

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 31139328000

約数和(自身を除く): 10626648591

約数列:

[1, 3, 9, 27, 131, 151, 193, 199, 393, 453, 579, 597, 1179, 1359, 1737, 1791, 3537, 4077, 5211, 5373, 19781, 25283, 26069, 29143, 30049, 38407, 59343, 75849, 78207, 87429, 90147, 115221, 178029, 227547, 234621, 262287, 270441, 345663, 534087, 682641, 703863, 786861, 811323, 1036989, 3817733, 3936419, 5031317, 5799457, 11453199, 11809257, 15093951, 17398371, 34359597, 35427771, 45281853, 52195113, 103078791, 106283313, 135845559, 156585339, 759728867, 2279186601, 6837559803, 20512679409]

約数ペア:

[(1, 20512679409), (3, 6837559803), (9, 2279186601), (27, 759728867), (131, 156585339), (151, 135845559), (193, 106283313), (199, 103078791), (393, 52195113), (453, 45281853), (579, 35427771), (597, 34359597), (1179, 17398371), (1359, 15093951), (1737, 11809257), (1791, 11453199), (3537, 5799457), (4077, 5031317), (5211, 3936419), (5373, 3817733), (19781, 1036989), (25283, 811323), (26069, 786861), (29143, 703863), (30049, 682641), (38407, 534087), (59343, 345663), (75849, 270441), (78207, 262287), (87429, 234621), (90147, 227547), (115221, 178029)]