20805756

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 31287684

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 79, 102, 158, 204, 237, 316, 474, 948, 1291, 1343, 2582, 2686, 3873, 4029, 5164, 5372, 7746, 8058, 15492, 16116, 21947, 43894, 65841, 87788, 101989, 131682, 203978, 263364, 305967, 407956, 611934, 1223868, 1733813, 3467626, 5201439, 6935252, 10402878, 20805756]

約数ペア:

[(1, 20805756), (2, 10402878), (3, 6935252), (4, 5201439), (6, 3467626), (12, 1733813), (17, 1223868), (34, 611934), (51, 407956), (68, 305967), (79, 263364), (102, 203978), (158, 131682), (204, 101989), (237, 87788), (316, 65841), (474, 43894), (948, 21947), (1291, 16116), (1343, 15492), (2582, 8058), (2686, 7746), (3873, 5372), (4029, 5164)]