20692020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1733}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 58262400

約数和(自身を除く): 37570380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1733, 1990, 2388, 2985, 3466, 3980, 5199, 5970, 6932, 8665, 10398, 11940, 17330, 20796, 25995, 34660, 51990, 103980, 344867, 689734, 1034601, 1379468, 1724335, 2069202, 3448670, 4138404, 5173005, 6897340, 10346010, 20692020]

約数ペア:

[(1, 20692020), (2, 10346010), (3, 6897340), (4, 5173005), (5, 4138404), (6, 3448670), (10, 2069202), (12, 1724335), (15, 1379468), (20, 1034601), (30, 689734), (60, 344867), (199, 103980), (398, 51990), (597, 34660), (796, 25995), (995, 20796), (1194, 17330), (1733, 11940), (1990, 10398), (2388, 8665), (2985, 6932), (3466, 5970), (3980, 5199)]