20155829589

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{354301}}^1$

素因数の和:354367

約数の個数: 48

約数和(自身を含む): 35543576640

約数和(自身を除く): 15387747051

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1323, 2107, 2709, 6321, 8127, 18963, 56889, 354301, 1062903, 2480107, 3188709, 7440321, 9566127, 15234943, 17360749, 22320963, 45704829, 52082247, 66962889, 106644601, 137114487, 156246741, 319933803, 411343461, 468740223, 746512207, 959801409, 2239536621, 2879404227, 6718609863, 20155829589]

約数ペア:

[(1, 20155829589), (3, 6718609863), (7, 2879404227), (9, 2239536621), (21, 959801409), (27, 746512207), (43, 468740223), (49, 411343461), (63, 319933803), (129, 156246741), (147, 137114487), (189, 106644601), (301, 66962889), (387, 52082247), (441, 45704829), (903, 22320963), (1161, 17360749), (1323, 15234943), (2107, 9566127), (2709, 7440321), (6321, 3188709), (8127, 2480107), (18963, 1062903), (56889, 354301)]