20433278

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2371}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 31879680

約数和(自身を除く): 11446402

約数列:

[1, 2, 31, 62, 139, 278, 2371, 4309, 4742, 8618, 73501, 147002, 329569, 659138, 10216639, 20433278]

約数ペア:

[(1, 20433278), (2, 10216639), (31, 659138), (62, 329569), (139, 147002), (278, 73501), (2371, 8618), (4309, 4742)]