206563780

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{6427}}^1$

素因数の和:8043

約数の個数: 24

約数和(自身を含む): 434121408

約数和(自身を除く): 227557628

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6427, 6428, 8035, 12854, 16070, 25708, 32135, 32140, 64270, 128540, 10328189, 20656378, 41312756, 51640945, 103281890, 206563780]

約数ペア:

[(1, 206563780), (2, 103281890), (4, 51640945), (5, 41312756), (10, 20656378), (20, 10328189), (1607, 128540), (3214, 64270), (6427, 32140), (6428, 32135), (8035, 25708), (12854, 16070)]