20626628

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2288

約数の個数: 36

約数和(自身を含む): 41783280

約数和(自身を除く): 21156652

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2243, 2299, 4486, 4598, 8972, 9196, 24673, 42617, 49346, 85234, 98692, 170468, 271403, 468787, 542806, 937574, 1085612, 1875148, 5156657, 10313314, 20626628]

約数ペア:

[(1, 20626628), (2, 10313314), (4, 5156657), (11, 1875148), (19, 1085612), (22, 937574), (38, 542806), (44, 468787), (76, 271403), (121, 170468), (209, 98692), (242, 85234), (418, 49346), (484, 42617), (836, 24673), (2243, 9196), (2299, 8972), (4486, 4598)]