20544300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1087}}^1$

素因数の和:1117

約数の個数: 144

約数和(自身を含む): 75550720

約数和(自身を除く): 55006420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1087, 1260, 1350, 1575, 1890, 2100, 2174, 2700, 3150, 3261, 3780, 4348, 4725, 5435, 6300, 6522, 7609, 9450, 9783, 10870, 13044, 15218, 16305, 18900, 19566, 21740, 22827, 27175, 29349, 30436, 32610, 38045, 39132, 45654, 48915, 54350, 58698, 65220, 68481, 76090, 81525, 91308, 97830, 108700, 114135, 117396, 136962, 146745, 152180, 163050, 190225, 195660, 205443, 228270, 244575, 273924, 293490, 326100, 342405, 380450, 410886, 456540, 489150, 570675, 586980, 684810, 733725, 760900, 821772, 978300, 1027215, 1141350, 1369620, 1467450, 1712025, 2054430, 2282700, 2934900, 3424050, 4108860, 5136075, 6848100, 10272150, 20544300]

約数ペア:

[(1, 20544300), (2, 10272150), (3, 6848100), (4, 5136075), (5, 4108860), (6, 3424050), (7, 2934900), (9, 2282700), (10, 2054430), (12, 1712025), (14, 1467450), (15, 1369620), (18, 1141350), (20, 1027215), (21, 978300), (25, 821772), (27, 760900), (28, 733725), (30, 684810), (35, 586980), (36, 570675), (42, 489150), (45, 456540), (50, 410886), (54, 380450), (60, 342405), (63, 326100), (70, 293490), (75, 273924), (84, 244575), (90, 228270), (100, 205443), (105, 195660), (108, 190225), (126, 163050), (135, 152180), (140, 146745), (150, 136962), (175, 117396), (180, 114135), (189, 108700), (210, 97830), (225, 91308), (252, 81525), (270, 76090), (300, 68481), (315, 65220), (350, 58698), (378, 54350), (420, 48915), (450, 45654), (525, 39132), (540, 38045), (630, 32610), (675, 30436), (700, 29349), (756, 27175), (900, 22827), (945, 21740), (1050, 19566), (1087, 18900), (1260, 16305), (1350, 15218), (1575, 13044), (1890, 10870), (2100, 9783), (2174, 9450), (2700, 7609), (3150, 6522), (3261, 6300), (3780, 5435), (4348, 4725)]