20104920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5077}}^1$

素因数の和:5105

約数の個数: 96

約数和(自身を含む): 71295120

約数和(自身を除く): 51190200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5077, 10154, 15231, 20308, 25385, 30462, 40616, 45693, 50770, 55847, 60924, 76155, 91386, 101540, 111694, 121848, 152310, 167541, 182772, 203080, 223388, 228465, 279235, 304620, 335082, 365544, 446776, 456930, 502623, 558470, 609240, 670164, 837705, 913860, 1005246, 1116940, 1340328, 1675410, 1827720, 2010492, 2233880, 2513115, 3350820, 4020984, 5026230, 6701640, 10052460, 20104920]

約数ペア:

[(1, 20104920), (2, 10052460), (3, 6701640), (4, 5026230), (5, 4020984), (6, 3350820), (8, 2513115), (9, 2233880), (10, 2010492), (11, 1827720), (12, 1675410), (15, 1340328), (18, 1116940), (20, 1005246), (22, 913860), (24, 837705), (30, 670164), (33, 609240), (36, 558470), (40, 502623), (44, 456930), (45, 446776), (55, 365544), (60, 335082), (66, 304620), (72, 279235), (88, 228465), (90, 223388), (99, 203080), (110, 182772), (120, 167541), (132, 152310), (165, 121848), (180, 111694), (198, 101540), (220, 91386), (264, 76155), (330, 60924), (360, 55847), (396, 50770), (440, 45693), (495, 40616), (660, 30462), (792, 25385), (990, 20308), (1320, 15231), (1980, 10154), (3960, 5077)]