20197780767

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{20023}}^1$

素因数の和:20412

約数の個数: 48

約数和(自身を含む): 32611887360

約数和(自身を除く): 12414106593

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 347, 969, 1041, 2907, 3123, 5899, 6593, 17697, 19779, 20023, 53091, 59337, 60069, 112081, 180207, 336243, 340391, 380437, 1008729, 1021173, 1141311, 3063519, 3423933, 6467429, 6947981, 19402287, 20843943, 58206861, 62531829, 118115677, 132011639, 354347031, 396034917, 1063041093, 1188104751, 2244197863, 6732593589, 20197780767]

約数ペア:

[(1, 20197780767), (3, 6732593589), (9, 2244197863), (17, 1188104751), (19, 1063041093), (51, 396034917), (57, 354347031), (153, 132011639), (171, 118115677), (323, 62531829), (347, 58206861), (969, 20843943), (1041, 19402287), (2907, 6947981), (3123, 6467429), (5899, 3423933), (6593, 3063519), (17697, 1141311), (19779, 1021173), (20023, 1008729), (53091, 380437), (59337, 340391), (60069, 336243), (112081, 180207)]