20407200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:807

約数の個数: 144

約数和(自身を含む): 72557856

約数和(自身を除く): 52150656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 200, 220, 240, 264, 275, 300, 330, 352, 400, 440, 480, 528, 550, 600, 660, 773, 800, 825, 880, 1056, 1100, 1200, 1320, 1546, 1650, 1760, 2200, 2319, 2400, 2640, 3092, 3300, 3865, 4400, 4638, 5280, 6184, 6600, 7730, 8503, 8800, 9276, 11595, 12368, 13200, 15460, 17006, 18552, 19325, 23190, 24736, 25509, 26400, 30920, 34012, 37104, 38650, 42515, 46380, 51018, 57975, 61840, 68024, 74208, 77300, 85030, 92760, 102036, 115950, 123680, 127545, 136048, 154600, 170060, 185520, 204072, 212575, 231900, 255090, 272096, 309200, 340120, 371040, 408144, 425150, 463800, 510180, 618400, 637725, 680240, 816288, 850300, 927600, 1020360, 1275450, 1360480, 1700600, 1855200, 2040720, 2550900, 3401200, 4081440, 5101800, 6802400, 10203600, 20407200]

約数ペア:

[(1, 20407200), (2, 10203600), (3, 6802400), (4, 5101800), (5, 4081440), (6, 3401200), (8, 2550900), (10, 2040720), (11, 1855200), (12, 1700600), (15, 1360480), (16, 1275450), (20, 1020360), (22, 927600), (24, 850300), (25, 816288), (30, 680240), (32, 637725), (33, 618400), (40, 510180), (44, 463800), (48, 425150), (50, 408144), (55, 371040), (60, 340120), (66, 309200), (75, 272096), (80, 255090), (88, 231900), (96, 212575), (100, 204072), (110, 185520), (120, 170060), (132, 154600), (150, 136048), (160, 127545), (165, 123680), (176, 115950), (200, 102036), (220, 92760), (240, 85030), (264, 77300), (275, 74208), (300, 68024), (330, 61840), (352, 57975), (400, 51018), (440, 46380), (480, 42515), (528, 38650), (550, 37104), (600, 34012), (660, 30920), (773, 26400), (800, 25509), (825, 24736), (880, 23190), (1056, 19325), (1100, 18552), (1200, 17006), (1320, 15460), (1546, 13200), (1650, 12368), (1760, 11595), (2200, 9276), (2319, 8800), (2400, 8503), (2640, 7730), (3092, 6600), (3300, 6184), (3865, 5280), (4400, 4638)]