20144240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4751}}^1$

素因数の和:4817

約数の個数: 40

約数和(自身を含む): 47729088

約数和(自身を除く): 27584848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4751, 9502, 19004, 23755, 38008, 47510, 76016, 95020, 190040, 251803, 380080, 503606, 1007212, 1259015, 2014424, 2518030, 4028848, 5036060, 10072120, 20144240]

約数ペア:

[(1, 20144240), (2, 10072120), (4, 5036060), (5, 4028848), (8, 2518030), (10, 2014424), (16, 1259015), (20, 1007212), (40, 503606), (53, 380080), (80, 251803), (106, 190040), (212, 95020), (265, 76016), (424, 47510), (530, 38008), (848, 23755), (1060, 19004), (2120, 9502), (4240, 4751)]