20085420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 56433888

約数和(自身を除く): 36348468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 601, 1114, 1202, 1671, 1803, 2228, 2404, 2785, 3005, 3342, 3606, 5570, 6010, 6684, 7212, 8355, 9015, 11140, 12020, 16710, 18030, 33420, 36060, 334757, 669514, 1004271, 1339028, 1673785, 2008542, 3347570, 4017084, 5021355, 6695140, 10042710, 20085420]

約数ペア:

[(1, 20085420), (2, 10042710), (3, 6695140), (4, 5021355), (5, 4017084), (6, 3347570), (10, 2008542), (12, 1673785), (15, 1339028), (20, 1004271), (30, 669514), (60, 334757), (557, 36060), (601, 33420), (1114, 18030), (1202, 16710), (1671, 12020), (1803, 11140), (2228, 9015), (2404, 8355), (2785, 7212), (3005, 6684), (3342, 6010), (3606, 5570)]