20438964052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1783}}^1\times {\mathrm{220447}}^1$

素因数の和:222247

約数の個数: 24

約数和(自身を含む): 38541364736

約数和(自身を除く): 18102400684

約数列:

[1, 2, 4, 13, 26, 52, 1783, 3566, 7132, 23179, 46358, 92716, 220447, 440894, 881788, 2865811, 5731622, 11463244, 393057001, 786114002, 1572228004, 5109741013, 10219482026, 20438964052]

約数ペア:

[(1, 20438964052), (2, 10219482026), (4, 5109741013), (13, 1572228004), (26, 786114002), (52, 393057001), (1783, 11463244), (3566, 5731622), (7132, 2865811), (23179, 881788), (46358, 440894), (92716, 220447)]