20403880064

素因数分解:

$2^7\times {\mathrm{467}}^1\times {\mathrm{341339}}^1$

素因数の和:341820

約数の個数: 32

約数和(自身を含む): 40735515600

約数和(自身を除く): 20331635536

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 467, 934, 1868, 3736, 7472, 14944, 29888, 59776, 341339, 682678, 1365356, 2730712, 5461424, 10922848, 21845696, 43691392, 159405313, 318810626, 637621252, 1275242504, 2550485008, 5100970016, 10201940032, 20403880064]

約数ペア:

[(1, 20403880064), (2, 10201940032), (4, 5100970016), (8, 2550485008), (16, 1275242504), (32, 637621252), (64, 318810626), (128, 159405313), (467, 43691392), (934, 21845696), (1868, 10922848), (3736, 5461424), (7472, 2730712), (14944, 1365356), (29888, 682678), (59776, 341339)]