20790180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6079}}^1$

素因数の和:6113

約数の個数: 72

約数和(自身を含む): 66393600

約数和(自身を除く): 45603420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6079, 12158, 18237, 24316, 30395, 36474, 54711, 60790, 72948, 91185, 109422, 115501, 121580, 182370, 218844, 231002, 273555, 346503, 364740, 462004, 547110, 577505, 693006, 1039509, 1094220, 1155010, 1386012, 1732515, 2079018, 2310020, 3465030, 4158036, 5197545, 6930060, 10395090, 20790180]

約数ペア:

[(1, 20790180), (2, 10395090), (3, 6930060), (4, 5197545), (5, 4158036), (6, 3465030), (9, 2310020), (10, 2079018), (12, 1732515), (15, 1386012), (18, 1155010), (19, 1094220), (20, 1039509), (30, 693006), (36, 577505), (38, 547110), (45, 462004), (57, 364740), (60, 346503), (76, 273555), (90, 231002), (95, 218844), (114, 182370), (171, 121580), (180, 115501), (190, 109422), (228, 91185), (285, 72948), (342, 60790), (380, 54711), (570, 36474), (684, 30395), (855, 24316), (1140, 18237), (1710, 12158), (3420, 6079)]