20979838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 15878402

約数列:

[1, 2, 11, 19, 22, 38, 53, 106, 209, 418, 583, 947, 1007, 1166, 1894, 2014, 10417, 11077, 17993, 20834, 22154, 35986, 50191, 100382, 197923, 395846, 552101, 953629, 1104202, 1907258, 10489919, 20979838]

約数ペア:

[(1, 20979838), (2, 10489919), (11, 1907258), (19, 1104202), (22, 953629), (38, 552101), (53, 395846), (106, 197923), (209, 100382), (418, 50191), (583, 35986), (947, 22154), (1007, 20834), (1166, 17993), (1894, 11077), (2014, 10417)]