20079824

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 20096176

約数列:

[1, 2, 4, 8, 16, 59, 89, 118, 178, 236, 239, 356, 472, 478, 712, 944, 956, 1424, 1912, 3824, 5251, 10502, 14101, 21004, 21271, 28202, 42008, 42542, 56404, 84016, 85084, 112808, 170168, 225616, 340336, 1254989, 2509978, 5019956, 10039912, 20079824]

約数ペア:

[(1, 20079824), (2, 10039912), (4, 5019956), (8, 2509978), (16, 1254989), (59, 340336), (89, 225616), (118, 170168), (178, 112808), (236, 85084), (239, 84016), (356, 56404), (472, 42542), (478, 42008), (712, 28202), (944, 21271), (956, 21004), (1424, 14101), (1912, 10502), (3824, 5251)]