20737112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3319}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 43027200

約数和(自身を除く): 22290088

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3319, 6248, 6638, 13276, 26552, 36509, 73018, 146036, 235649, 292072, 471298, 942596, 1885192, 2592139, 5184278, 10368556, 20737112]

約数ペア:

[(1, 20737112), (2, 10368556), (4, 5184278), (8, 2592139), (11, 1885192), (22, 942596), (44, 471298), (71, 292072), (88, 235649), (142, 146036), (284, 73018), (568, 36509), (781, 26552), (1562, 13276), (3124, 6638), (3319, 6248)]