20990352

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{19013}}^1$

素因数の和:19047

約数の個数: 40

約数和(自身を含む): 56585664

約数和(自身を除く): 35595312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 19013, 38026, 57039, 76052, 114078, 152104, 228156, 304208, 437299, 456312, 874598, 912624, 1311897, 1749196, 2623794, 3498392, 5247588, 6996784, 10495176, 20990352]

約数ペア:

[(1, 20990352), (2, 10495176), (3, 6996784), (4, 5247588), (6, 3498392), (8, 2623794), (12, 1749196), (16, 1311897), (23, 912624), (24, 874598), (46, 456312), (48, 437299), (69, 304208), (92, 228156), (138, 152104), (184, 114078), (276, 76052), (368, 57039), (552, 38026), (1104, 19013)]