20602870444

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{983149}}^1$

素因数の和:983210

約数の個数: 36

約数和(自身を含む): 40301284800

約数和(自身を除く): 19698414356

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 5239, 10478, 20956, 983149, 1966298, 3932596, 12780937, 25561874, 30477619, 51123748, 60955238, 121910476, 166152181, 332304362, 396209047, 664608724, 792418094, 1584836188, 5150717611, 10301435222, 20602870444]

約数ペア:

[(1, 20602870444), (2, 10301435222), (4, 5150717611), (13, 1584836188), (26, 792418094), (31, 664608724), (52, 396209047), (62, 332304362), (124, 166152181), (169, 121910476), (338, 60955238), (403, 51123748), (676, 30477619), (806, 25561874), (1612, 12780937), (5239, 3932596), (10478, 1966298), (20956, 983149)]