20112930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1123}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 52603200

約数和(自身を除く): 32490270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1123, 1194, 1791, 1990, 2246, 2985, 3369, 3582, 5615, 5970, 6738, 8955, 10107, 11230, 16845, 17910, 20214, 33690, 50535, 101070, 223477, 446954, 670431, 1117385, 1340862, 2011293, 2234770, 3352155, 4022586, 6704310, 10056465, 20112930]

約数ペア:

[(1, 20112930), (2, 10056465), (3, 6704310), (5, 4022586), (6, 3352155), (9, 2234770), (10, 2011293), (15, 1340862), (18, 1117385), (30, 670431), (45, 446954), (90, 223477), (199, 101070), (398, 50535), (597, 33690), (995, 20214), (1123, 17910), (1194, 16845), (1791, 11230), (1990, 10107), (2246, 8955), (2985, 6738), (3369, 5970), (3582, 5615)]