20733412

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 42369600

約数和(自身を除く): 21636188

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 199, 244, 398, 427, 796, 854, 1393, 1708, 2786, 3721, 5572, 7442, 12139, 14884, 24278, 26047, 48556, 52094, 84973, 104188, 169946, 339892, 740479, 1480958, 2961916, 5183353, 10366706, 20733412]

約数ペア:

[(1, 20733412), (2, 10366706), (4, 5183353), (7, 2961916), (14, 1480958), (28, 740479), (61, 339892), (122, 169946), (199, 104188), (244, 84973), (398, 52094), (427, 48556), (796, 26047), (854, 24278), (1393, 14884), (1708, 12139), (2786, 7442), (3721, 5572)]