20992378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50221}}^1$

素因数の和:50253

約数の個数: 16

約数和(自身を含む): 36159840

約数和(自身を除く): 15167462

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50221, 100442, 552431, 954199, 1104862, 1908398, 10496189, 20992378]

約数ペア:

[(1, 20992378), (2, 10496189), (11, 1908398), (19, 1104862), (22, 954199), (38, 552431), (209, 100442), (418, 50221)]