20005470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1117}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 52322400

約数和(自身を除く): 32316930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1117, 1194, 1791, 1990, 2234, 2985, 3351, 3582, 5585, 5970, 6702, 8955, 10053, 11170, 16755, 17910, 20106, 33510, 50265, 100530, 222283, 444566, 666849, 1111415, 1333698, 2000547, 2222830, 3334245, 4001094, 6668490, 10002735, 20005470]

約数ペア:

[(1, 20005470), (2, 10002735), (3, 6668490), (5, 4001094), (6, 3334245), (9, 2222830), (10, 2000547), (15, 1333698), (18, 1111415), (30, 666849), (45, 444566), (90, 222283), (199, 100530), (398, 50265), (597, 33510), (995, 20106), (1117, 17910), (1194, 16755), (1791, 11170), (1990, 10053), (2234, 8955), (2985, 6702), (3351, 5970), (3582, 5585)]