20795285520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{52609}}^1$

素因数の和:52695

約数の個数: 200

約数和(自身を含む): 73410520920

約数和(自身を除く): 52615235400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 108, 120, 122, 135, 144, 162, 180, 183, 216, 240, 244, 270, 305, 324, 360, 366, 405, 432, 488, 540, 549, 610, 648, 720, 732, 810, 915, 976, 1080, 1098, 1220, 1296, 1464, 1620, 1647, 1830, 2160, 2196, 2440, 2745, 2928, 3240, 3294, 3660, 4392, 4880, 4941, 5490, 6480, 6588, 7320, 8235, 8784, 9882, 10980, 13176, 14640, 16470, 19764, 21960, 24705, 26352, 32940, 39528, 43920, 49410, 52609, 65880, 79056, 98820, 105218, 131760, 157827, 197640, 210436, 263045, 315654, 395280, 420872, 473481, 526090, 631308, 789135, 841744, 946962, 1052180, 1262616, 1420443, 1578270, 1893924, 2104360, 2367405, 2525232, 2840886, 3156540, 3209149, 3787848, 4208720, 4261329, 4734810, 5681772, 6313080, 6418298, 7102215, 7575696, 8522658, 9469620, 9627447, 11363544, 12626160, 12836596, 14204430, 16045745, 17045316, 18939240, 19254894, 21306645, 22727088, 25673192, 28408860, 28882341, 32091490, 34090632, 37878480, 38509788, 42613290, 48137235, 51346384, 56817720, 57764682, 64182980, 68181264, 77019576, 85226580, 86647023, 96274470, 113635440, 115529364, 128365960, 144411705, 154039152, 170453160, 173294046, 192548940, 231058728, 256731920, 259941069, 288823410, 340906320, 346588092, 385097880, 433235115, 462117456, 519882138, 577646820, 693176184, 770195760, 866470230, 1039764276, 1155293640, 1299705345, 1386352368, 1732940460, 2079528552, 2310587280, 2599410690, 3465880920, 4159057104, 5198821380, 6931761840, 10397642760, 20795285520]

約数ペア:

[(1, 20795285520), (2, 10397642760), (3, 6931761840), (4, 5198821380), (5, 4159057104), (6, 3465880920), (8, 2599410690), (9, 2310587280), (10, 2079528552), (12, 1732940460), (15, 1386352368), (16, 1299705345), (18, 1155293640), (20, 1039764276), (24, 866470230), (27, 770195760), (30, 693176184), (36, 577646820), (40, 519882138), (45, 462117456), (48, 433235115), (54, 385097880), (60, 346588092), (61, 340906320), (72, 288823410), (80, 259941069), (81, 256731920), (90, 231058728), (108, 192548940), (120, 173294046), (122, 170453160), (135, 154039152), (144, 144411705), (162, 128365960), (180, 115529364), (183, 113635440), (216, 96274470), (240, 86647023), (244, 85226580), (270, 77019576), (305, 68181264), (324, 64182980), (360, 57764682), (366, 56817720), (405, 51346384), (432, 48137235), (488, 42613290), (540, 38509788), (549, 37878480), (610, 34090632), (648, 32091490), (720, 28882341), (732, 28408860), (810, 25673192), (915, 22727088), (976, 21306645), (1080, 19254894), (1098, 18939240), (1220, 17045316), (1296, 16045745), (1464, 14204430), (1620, 12836596), (1647, 12626160), (1830, 11363544), (2160, 9627447), (2196, 9469620), (2440, 8522658), (2745, 7575696), (2928, 7102215), (3240, 6418298), (3294, 6313080), (3660, 5681772), (4392, 4734810), (4880, 4261329), (4941, 4208720), (5490, 3787848), (6480, 3209149), (6588, 3156540), (7320, 2840886), (8235, 2525232), (8784, 2367405), (9882, 2104360), (10980, 1893924), (13176, 1578270), (14640, 1420443), (16470, 1262616), (19764, 1052180), (21960, 946962), (24705, 841744), (26352, 789135), (32940, 631308), (39528, 526090), (43920, 473481), (49410, 420872), (52609, 395280), (65880, 315654), (79056, 263045), (98820, 210436), (105218, 197640), (131760, 157827)]