20976076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2326

約数の個数: 36

約数和(自身を含む): 42490840

約数和(自身を除く): 21514764

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2281, 2299, 4562, 4598, 9124, 9196, 25091, 43339, 50182, 86678, 100364, 173356, 276001, 476729, 552002, 953458, 1104004, 1906916, 5244019, 10488038, 20976076]

約数ペア:

[(1, 20976076), (2, 10488038), (4, 5244019), (11, 1906916), (19, 1104004), (22, 953458), (38, 552002), (44, 476729), (76, 276001), (121, 173356), (209, 100364), (242, 86678), (418, 50182), (484, 43339), (836, 25091), (2281, 9196), (2299, 9124), (4562, 4598)]