20512093688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{880801}}^1$

素因数の和:880919

約数の個数: 32

約数和(自身を含む): 39953178720

約数和(自身を除く): 19441085032

約数列:

[1, 2, 4, 8, 41, 71, 82, 142, 164, 284, 328, 568, 2911, 5822, 11644, 23288, 880801, 1761602, 3523204, 7046408, 36112841, 62536871, 72225682, 125073742, 144451364, 250147484, 288902728, 500294968, 2564011711, 5128023422, 10256046844, 20512093688]

約数ペア:

[(1, 20512093688), (2, 10256046844), (4, 5128023422), (8, 2564011711), (41, 500294968), (71, 288902728), (82, 250147484), (142, 144451364), (164, 125073742), (284, 72225682), (328, 62536871), (568, 36112841), (2911, 7046408), (5822, 3523204), (11644, 1761602), (23288, 880801)]