20956050

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 62362080

約数和(自身を除く): 41406030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 43, 45, 50, 54, 57, 75, 86, 90, 95, 114, 129, 135, 150, 171, 190, 215, 225, 258, 270, 285, 342, 361, 387, 430, 450, 475, 513, 570, 645, 675, 722, 774, 817, 855, 950, 1026, 1075, 1083, 1161, 1290, 1350, 1425, 1634, 1710, 1805, 1935, 2150, 2166, 2322, 2451, 2565, 2850, 3225, 3249, 3610, 3870, 4085, 4275, 4902, 5130, 5415, 5805, 6450, 6498, 7353, 8170, 8550, 9025, 9675, 9747, 10830, 11610, 12255, 12825, 14706, 15523, 16245, 18050, 19350, 19494, 20425, 22059, 24510, 25650, 27075, 29025, 31046, 32490, 36765, 40850, 44118, 46569, 48735, 54150, 58050, 61275, 73530, 77615, 81225, 93138, 97470, 110295, 122550, 139707, 155230, 162450, 183825, 220590, 232845, 243675, 279414, 367650, 388075, 419121, 465690, 487350, 551475, 698535, 776150, 838242, 1102950, 1164225, 1397070, 2095605, 2328450, 3492675, 4191210, 6985350, 10478025, 20956050]

約数ペア:

[(1, 20956050), (2, 10478025), (3, 6985350), (5, 4191210), (6, 3492675), (9, 2328450), (10, 2095605), (15, 1397070), (18, 1164225), (19, 1102950), (25, 838242), (27, 776150), (30, 698535), (38, 551475), (43, 487350), (45, 465690), (50, 419121), (54, 388075), (57, 367650), (75, 279414), (86, 243675), (90, 232845), (95, 220590), (114, 183825), (129, 162450), (135, 155230), (150, 139707), (171, 122550), (190, 110295), (215, 97470), (225, 93138), (258, 81225), (270, 77615), (285, 73530), (342, 61275), (361, 58050), (387, 54150), (430, 48735), (450, 46569), (475, 44118), (513, 40850), (570, 36765), (645, 32490), (675, 31046), (722, 29025), (774, 27075), (817, 25650), (855, 24510), (950, 22059), (1026, 20425), (1075, 19494), (1083, 19350), (1161, 18050), (1290, 16245), (1350, 15523), (1425, 14706), (1634, 12825), (1710, 12255), (1805, 11610), (1935, 10830), (2150, 9747), (2166, 9675), (2322, 9025), (2451, 8550), (2565, 8170), (2850, 7353), (3225, 6498), (3249, 6450), (3610, 5805), (3870, 5415), (4085, 5130), (4275, 4902)]