20884032

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2820

約数の個数: 84

約数和(自身を含む): 64488060

約数和(自身を除く): 43604028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 2789, 3744, 5578, 7488, 8367, 11156, 16734, 22312, 25101, 33468, 36257, 44624, 50202, 66936, 72514, 89248, 100404, 108771, 133872, 145028, 178496, 200808, 217542, 267744, 290056, 326313, 401616, 435084, 535488, 580112, 652626, 803232, 870168, 1160224, 1305252, 1606464, 1740336, 2320448, 2610504, 3480672, 5221008, 6961344, 10442016, 20884032]

約数ペア:

[(1, 20884032), (2, 10442016), (3, 6961344), (4, 5221008), (6, 3480672), (8, 2610504), (9, 2320448), (12, 1740336), (13, 1606464), (16, 1305252), (18, 1160224), (24, 870168), (26, 803232), (32, 652626), (36, 580112), (39, 535488), (48, 435084), (52, 401616), (64, 326313), (72, 290056), (78, 267744), (96, 217542), (104, 200808), (117, 178496), (144, 145028), (156, 133872), (192, 108771), (208, 100404), (234, 89248), (288, 72514), (312, 66936), (416, 50202), (468, 44624), (576, 36257), (624, 33468), (832, 25101), (936, 22312), (1248, 16734), (1872, 11156), (2496, 8367), (2789, 7488), (3744, 5578)]