20165681768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1817383}}^1$

素因数の和:1817481

約数の個数: 32

約数和(自身を含む): 40345924800

約数和(自身を除く): 20180243032

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 2774, 5548, 11096, 1817383, 3634766, 7269532, 14539064, 34530277, 69060554, 132668959, 138121108, 265337918, 276242216, 530675836, 1061351672, 2520710221, 5041420442, 10082840884, 20165681768]

約数ペア:

[(1, 20165681768), (2, 10082840884), (4, 5041420442), (8, 2520710221), (19, 1061351672), (38, 530675836), (73, 276242216), (76, 265337918), (146, 138121108), (152, 132668959), (292, 69060554), (584, 34530277), (1387, 14539064), (2774, 7269532), (5548, 3634766), (11096, 1817383)]