20836260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115757}}^1$

素因数の和:115772

約数の個数: 36

約数和(自身を含む): 63203868

約数和(自身を除く): 42367608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115757, 231514, 347271, 463028, 578785, 694542, 1041813, 1157570, 1389084, 1736355, 2083626, 2315140, 3472710, 4167252, 5209065, 6945420, 10418130, 20836260]

約数ペア:

[(1, 20836260), (2, 10418130), (3, 6945420), (4, 5209065), (5, 4167252), (6, 3472710), (9, 2315140), (10, 2083626), (12, 1736355), (15, 1389084), (18, 1157570), (20, 1041813), (30, 694542), (36, 578785), (45, 463028), (60, 347271), (90, 231514), (180, 115757)]