20674888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10463}}^1$

素因数の和:10501

約数の個数: 32

約数和(自身を含む): 43948800

約数和(自身を除く): 23273912

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10463, 20926, 41852, 83704, 136019, 198797, 272038, 397594, 544076, 795188, 1088152, 1590376, 2584361, 5168722, 10337444, 20674888]

約数ペア:

[(1, 20674888), (2, 10337444), (4, 5168722), (8, 2584361), (13, 1590376), (19, 1088152), (26, 795188), (38, 544076), (52, 397594), (76, 272038), (104, 198797), (152, 136019), (247, 83704), (494, 41852), (988, 20926), (1976, 10463)]