20883512912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76777621}}^1$

素因数の和:76777646

約数の個数: 20

約数和(自身を含む): 42841913076

約数和(自身を除く): 21958400164

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76777621, 153555242, 307110484, 614220968, 1228441936, 1305219557, 2610439114, 5220878228, 10441756456, 20883512912]

約数ペア:

[(1, 20883512912), (2, 10441756456), (4, 5220878228), (8, 2610439114), (16, 1305219557), (17, 1228441936), (34, 614220968), (68, 307110484), (136, 153555242), (272, 76777621)]