20928156

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 52091424

約数和(自身を除く): 31163268

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 173, 204, 346, 519, 593, 692, 1038, 1186, 1779, 2076, 2372, 2941, 3558, 5882, 7116, 8823, 10081, 11764, 17646, 20162, 30243, 35292, 40324, 60486, 102589, 120972, 205178, 307767, 410356, 615534, 1231068, 1744013, 3488026, 5232039, 6976052, 10464078, 20928156]

約数ペア:

[(1, 20928156), (2, 10464078), (3, 6976052), (4, 5232039), (6, 3488026), (12, 1744013), (17, 1231068), (34, 615534), (51, 410356), (68, 307767), (102, 205178), (173, 120972), (204, 102589), (346, 60486), (519, 40324), (593, 35292), (692, 30243), (1038, 20162), (1186, 17646), (1779, 11764), (2076, 10081), (2372, 8823), (2941, 7116), (3558, 5882)]