20153994

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1399}}^1$

素因数の和:1432

約数の個数: 40

約数和(自身を含む): 47056800

約数和(自身を除く): 26902806

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1399, 2058, 2401, 2798, 4197, 4802, 7203, 8394, 9793, 14406, 19586, 29379, 58758, 68551, 137102, 205653, 411306, 479857, 959714, 1439571, 2879142, 3358999, 6717998, 10076997, 20153994]

約数ペア:

[(1, 20153994), (2, 10076997), (3, 6717998), (6, 3358999), (7, 2879142), (14, 1439571), (21, 959714), (42, 479857), (49, 411306), (98, 205653), (147, 137102), (294, 68551), (343, 58758), (686, 29379), (1029, 19586), (1399, 14406), (2058, 9793), (2401, 8394), (2798, 7203), (4197, 4802)]