20172730851

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{53897}}^1$

素因数の和:54380

約数の個数: 48

約数和(自身を含む): 35941773504

約数和(自身を除く): 15769042653

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 457, 819, 1371, 3199, 4113, 5941, 9597, 17823, 28791, 41587, 53469, 53897, 124761, 161691, 374283, 377279, 485073, 700661, 1131837, 2101983, 3395511, 4904627, 6305949, 14713881, 24630929, 44141643, 73892787, 172416503, 221678361, 320202077, 517249509, 960606231, 1551748527, 2241414539, 2881818693, 6724243617, 20172730851]

約数ペア:

[(1, 20172730851), (3, 6724243617), (7, 2881818693), (9, 2241414539), (13, 1551748527), (21, 960606231), (39, 517249509), (63, 320202077), (91, 221678361), (117, 172416503), (273, 73892787), (457, 44141643), (819, 24630929), (1371, 14713881), (3199, 6305949), (4113, 4904627), (5941, 3395511), (9597, 2101983), (17823, 1131837), (28791, 700661), (41587, 485073), (53469, 377279), (53897, 374283), (124761, 161691)]