20711944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{631}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 42546240

約数和(自身を除く): 21834296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 373, 631, 746, 1262, 1492, 2524, 2984, 4103, 5048, 6941, 8206, 13882, 16412, 27764, 32824, 55528, 235363, 470726, 941452, 1882904, 2588993, 5177986, 10355972, 20711944]

約数ペア:

[(1, 20711944), (2, 10355972), (4, 5177986), (8, 2588993), (11, 1882904), (22, 941452), (44, 470726), (88, 235363), (373, 55528), (631, 32824), (746, 27764), (1262, 16412), (1492, 13882), (2524, 8206), (2984, 6941), (4103, 5048)]