20185963620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3780143}}^1$

素因数の和:3780244

約数の個数: 48

約数和(自身を含む): 57155777280

約数和(自身を除く): 36969813660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 3780143, 7560286, 11340429, 15120572, 18900715, 22680858, 37801430, 45361716, 56702145, 75602860, 113404290, 226808580, 336432727, 672865454, 1009298181, 1345730908, 1682163635, 2018596362, 3364327270, 4037192724, 5046490905, 6728654540, 10092981810, 20185963620]

約数ペア:

[(1, 20185963620), (2, 10092981810), (3, 6728654540), (4, 5046490905), (5, 4037192724), (6, 3364327270), (10, 2018596362), (12, 1682163635), (15, 1345730908), (20, 1009298181), (30, 672865454), (60, 336432727), (89, 226808580), (178, 113404290), (267, 75602860), (356, 56702145), (445, 45361716), (534, 37801430), (890, 22680858), (1068, 18900715), (1335, 15120572), (1780, 11340429), (2670, 7560286), (5340, 3780143)]