20672176

素因数分解:

$2^4\times 7^1\times {\mathrm{379}}^1\times {\mathrm{487}}^1$

素因数の和:881

約数の個数: 40

約数和(自身を含む): 45989120

約数和(自身を除く): 25316944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 379, 487, 758, 974, 1516, 1948, 2653, 3032, 3409, 3896, 5306, 6064, 6818, 7792, 10612, 13636, 21224, 27272, 42448, 54544, 184573, 369146, 738292, 1292011, 1476584, 2584022, 2953168, 5168044, 10336088, 20672176]

約数ペア:

[(1, 20672176), (2, 10336088), (4, 5168044), (7, 2953168), (8, 2584022), (14, 1476584), (16, 1292011), (28, 738292), (56, 369146), (112, 184573), (379, 54544), (487, 42448), (758, 27272), (974, 21224), (1516, 13636), (1948, 10612), (2653, 7792), (3032, 6818), (3409, 6064), (3896, 5306)]