20263500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 69888000

約数和(自身を除く): 49624500

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, 79, 90, 95, 100, 108, 114, 125, 135, 150, 158, 171, 180, 190, 225, 228, 237, 250, 270, 285, 300, 316, 342, 375, 380, 395, 450, 474, 475, 500, 513, 540, 570, 675, 684, 711, 750, 790, 855, 900, 948, 950, 1026, 1125, 1140, 1185, 1350, 1422, 1425, 1500, 1501, 1580, 1710, 1900, 1975, 2052, 2133, 2250, 2370, 2375, 2565, 2700, 2844, 2850, 3002, 3375, 3420, 3555, 3950, 4266, 4275, 4500, 4503, 4740, 4750, 5130, 5700, 5925, 6004, 6750, 7110, 7125, 7505, 7900, 8532, 8550, 9006, 9500, 9875, 10260, 10665, 11850, 12825, 13500, 13509, 14220, 14250, 15010, 17100, 17775, 18012, 19750, 21330, 21375, 22515, 23700, 25650, 27018, 28500, 29625, 30020, 35550, 37525, 39500, 40527, 42660, 42750, 45030, 51300, 53325, 54036, 59250, 64125, 67545, 71100, 75050, 81054, 85500, 88875, 90060, 106650, 112575, 118500, 128250, 135090, 150100, 162108, 177750, 187625, 202635, 213300, 225150, 256500, 266625, 270180, 337725, 355500, 375250, 405270, 450300, 533250, 562875, 675450, 750500, 810540, 1013175, 1066500, 1125750, 1350900, 1688625, 2026350, 2251500, 3377250, 4052700, 5065875, 6754500, 10131750, 20263500]

約数ペア:

[(1, 20263500), (2, 10131750), (3, 6754500), (4, 5065875), (5, 4052700), (6, 3377250), (9, 2251500), (10, 2026350), (12, 1688625), (15, 1350900), (18, 1125750), (19, 1066500), (20, 1013175), (25, 810540), (27, 750500), (30, 675450), (36, 562875), (38, 533250), (45, 450300), (50, 405270), (54, 375250), (57, 355500), (60, 337725), (75, 270180), (76, 266625), (79, 256500), (90, 225150), (95, 213300), (100, 202635), (108, 187625), (114, 177750), (125, 162108), (135, 150100), (150, 135090), (158, 128250), (171, 118500), (180, 112575), (190, 106650), (225, 90060), (228, 88875), (237, 85500), (250, 81054), (270, 75050), (285, 71100), (300, 67545), (316, 64125), (342, 59250), (375, 54036), (380, 53325), (395, 51300), (450, 45030), (474, 42750), (475, 42660), (500, 40527), (513, 39500), (540, 37525), (570, 35550), (675, 30020), (684, 29625), (711, 28500), (750, 27018), (790, 25650), (855, 23700), (900, 22515), (948, 21375), (950, 21330), (1026, 19750), (1125, 18012), (1140, 17775), (1185, 17100), (1350, 15010), (1422, 14250), (1425, 14220), (1500, 13509), (1501, 13500), (1580, 12825), (1710, 11850), (1900, 10665), (1975, 10260), (2052, 9875), (2133, 9500), (2250, 9006), (2370, 8550), (2375, 8532), (2565, 7900), (2700, 7505), (2844, 7125), (2850, 7110), (3002, 6750), (3375, 6004), (3420, 5925), (3555, 5700), (3950, 5130), (4266, 4750), (4275, 4740), (4500, 4503)]