20443857

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12323}}^1$

素因数の和:12412

約数の個数: 16

約数和(自身を含む): 31549440

約数和(自身を除く): 11105583

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12323, 36969, 86261, 258783, 973517, 2920551, 6814619, 20443857]

約数ペア:

[(1, 20443857), (3, 6814619), (7, 2920551), (21, 973517), (79, 258783), (237, 86261), (553, 36969), (1659, 12323)]