20583840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 71245440

約数和(自身を除く): 50661600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 60, 61, 74, 76, 80, 95, 96, 111, 114, 120, 122, 148, 152, 160, 183, 185, 190, 222, 228, 240, 244, 285, 296, 304, 305, 366, 370, 380, 444, 456, 480, 488, 555, 570, 592, 608, 610, 703, 732, 740, 760, 888, 912, 915, 976, 1110, 1140, 1159, 1184, 1220, 1406, 1464, 1480, 1520, 1776, 1824, 1830, 1952, 2109, 2220, 2257, 2280, 2318, 2440, 2812, 2928, 2960, 3040, 3477, 3515, 3552, 3660, 4218, 4440, 4514, 4560, 4636, 4880, 5624, 5795, 5856, 5920, 6771, 6954, 7030, 7320, 8436, 8880, 9028, 9120, 9272, 9760, 10545, 11248, 11285, 11590, 13542, 13908, 14060, 14640, 16872, 17385, 17760, 18056, 18544, 21090, 22496, 22570, 23180, 27084, 27816, 28120, 29280, 33744, 33855, 34770, 36112, 37088, 42180, 42883, 45140, 46360, 54168, 55632, 56240, 67488, 67710, 69540, 72224, 84360, 85766, 90280, 92720, 108336, 111264, 112480, 128649, 135420, 139080, 168720, 171532, 180560, 185440, 214415, 216672, 257298, 270840, 278160, 337440, 343064, 361120, 428830, 514596, 541680, 556320, 643245, 686128, 857660, 1029192, 1083360, 1286490, 1372256, 1715320, 2058384, 2572980, 3430640, 4116768, 5145960, 6861280, 10291920, 20583840]

約数ペア:

[(1, 20583840), (2, 10291920), (3, 6861280), (4, 5145960), (5, 4116768), (6, 3430640), (8, 2572980), (10, 2058384), (12, 1715320), (15, 1372256), (16, 1286490), (19, 1083360), (20, 1029192), (24, 857660), (30, 686128), (32, 643245), (37, 556320), (38, 541680), (40, 514596), (48, 428830), (57, 361120), (60, 343064), (61, 337440), (74, 278160), (76, 270840), (80, 257298), (95, 216672), (96, 214415), (111, 185440), (114, 180560), (120, 171532), (122, 168720), (148, 139080), (152, 135420), (160, 128649), (183, 112480), (185, 111264), (190, 108336), (222, 92720), (228, 90280), (240, 85766), (244, 84360), (285, 72224), (296, 69540), (304, 67710), (305, 67488), (366, 56240), (370, 55632), (380, 54168), (444, 46360), (456, 45140), (480, 42883), (488, 42180), (555, 37088), (570, 36112), (592, 34770), (608, 33855), (610, 33744), (703, 29280), (732, 28120), (740, 27816), (760, 27084), (888, 23180), (912, 22570), (915, 22496), (976, 21090), (1110, 18544), (1140, 18056), (1159, 17760), (1184, 17385), (1220, 16872), (1406, 14640), (1464, 14060), (1480, 13908), (1520, 13542), (1776, 11590), (1824, 11285), (1830, 11248), (1952, 10545), (2109, 9760), (2220, 9272), (2257, 9120), (2280, 9028), (2318, 8880), (2440, 8436), (2812, 7320), (2928, 7030), (2960, 6954), (3040, 6771), (3477, 5920), (3515, 5856), (3552, 5795), (3660, 5624), (4218, 4880), (4440, 4636), (4514, 4560)]