20571300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 144

約数和(自身を含む): 69787200

約数和(自身を除く): 49215900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 225, 228, 270, 285, 300, 342, 380, 401, 450, 475, 513, 540, 570, 675, 684, 802, 855, 900, 950, 1026, 1140, 1203, 1350, 1425, 1604, 1710, 1900, 2005, 2052, 2406, 2565, 2700, 2850, 3420, 3609, 4010, 4275, 4812, 5130, 5700, 6015, 7218, 7619, 8020, 8550, 10025, 10260, 10827, 12030, 12825, 14436, 15238, 17100, 18045, 20050, 21654, 22857, 24060, 25650, 30075, 30476, 36090, 38095, 40100, 43308, 45714, 51300, 54135, 60150, 68571, 72180, 76190, 90225, 91428, 108270, 114285, 120300, 137142, 152380, 180450, 190475, 205713, 216540, 228570, 270675, 274284, 342855, 360900, 380950, 411426, 457140, 541350, 571425, 685710, 761900, 822852, 1028565, 1082700, 1142850, 1371420, 1714275, 2057130, 2285700, 3428550, 4114260, 5142825, 6857100, 10285650, 20571300]

約数ペア:

[(1, 20571300), (2, 10285650), (3, 6857100), (4, 5142825), (5, 4114260), (6, 3428550), (9, 2285700), (10, 2057130), (12, 1714275), (15, 1371420), (18, 1142850), (19, 1082700), (20, 1028565), (25, 822852), (27, 761900), (30, 685710), (36, 571425), (38, 541350), (45, 457140), (50, 411426), (54, 380950), (57, 360900), (60, 342855), (75, 274284), (76, 270675), (90, 228570), (95, 216540), (100, 205713), (108, 190475), (114, 180450), (135, 152380), (150, 137142), (171, 120300), (180, 114285), (190, 108270), (225, 91428), (228, 90225), (270, 76190), (285, 72180), (300, 68571), (342, 60150), (380, 54135), (401, 51300), (450, 45714), (475, 43308), (513, 40100), (540, 38095), (570, 36090), (675, 30476), (684, 30075), (802, 25650), (855, 24060), (900, 22857), (950, 21654), (1026, 20050), (1140, 18045), (1203, 17100), (1350, 15238), (1425, 14436), (1604, 12825), (1710, 12030), (1900, 10827), (2005, 10260), (2052, 10025), (2406, 8550), (2565, 8020), (2700, 7619), (2850, 7218), (3420, 6015), (3609, 5700), (4010, 5130), (4275, 4812)]