20785504

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4673}}^1$

素因数の和:4822

約数の個数: 24

約数和(自身を含む): 41224680

約数和(自身を除く): 20439176

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4673, 9346, 18692, 37384, 74768, 149536, 649547, 1299094, 2598188, 5196376, 10392752, 20785504]

約数ペア:

[(1, 20785504), (2, 10392752), (4, 5196376), (8, 2598188), (16, 1299094), (32, 649547), (139, 149536), (278, 74768), (556, 37384), (1112, 18692), (2224, 9346), (4448, 4673)]