20676960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 71823024

約数和(自身を除く): 51146064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 173, 180, 240, 249, 288, 332, 346, 360, 415, 480, 498, 519, 664, 692, 720, 747, 830, 865, 996, 1038, 1245, 1328, 1384, 1440, 1494, 1557, 1660, 1730, 1992, 2076, 2490, 2595, 2656, 2768, 2988, 3114, 3320, 3460, 3735, 3984, 4152, 4980, 5190, 5536, 5976, 6228, 6640, 6920, 7470, 7785, 7968, 8304, 9960, 10380, 11952, 12456, 13280, 13840, 14359, 14940, 15570, 16608, 19920, 20760, 23904, 24912, 27680, 28718, 29880, 31140, 39840, 41520, 43077, 49824, 57436, 59760, 62280, 71795, 83040, 86154, 114872, 119520, 124560, 129231, 143590, 172308, 215385, 229744, 249120, 258462, 287180, 344616, 430770, 459488, 516924, 574360, 646155, 689232, 861540, 1033848, 1148720, 1292310, 1378464, 1723080, 2067696, 2297440, 2584620, 3446160, 4135392, 5169240, 6892320, 10338480, 20676960]

約数ペア:

[(1, 20676960), (2, 10338480), (3, 6892320), (4, 5169240), (5, 4135392), (6, 3446160), (8, 2584620), (9, 2297440), (10, 2067696), (12, 1723080), (15, 1378464), (16, 1292310), (18, 1148720), (20, 1033848), (24, 861540), (30, 689232), (32, 646155), (36, 574360), (40, 516924), (45, 459488), (48, 430770), (60, 344616), (72, 287180), (80, 258462), (83, 249120), (90, 229744), (96, 215385), (120, 172308), (144, 143590), (160, 129231), (166, 124560), (173, 119520), (180, 114872), (240, 86154), (249, 83040), (288, 71795), (332, 62280), (346, 59760), (360, 57436), (415, 49824), (480, 43077), (498, 41520), (519, 39840), (664, 31140), (692, 29880), (720, 28718), (747, 27680), (830, 24912), (865, 23904), (996, 20760), (1038, 19920), (1245, 16608), (1328, 15570), (1384, 14940), (1440, 14359), (1494, 13840), (1557, 13280), (1660, 12456), (1730, 11952), (1992, 10380), (2076, 9960), (2490, 8304), (2595, 7968), (2656, 7785), (2768, 7470), (2988, 6920), (3114, 6640), (3320, 6228), (3460, 5976), (3735, 5536), (3984, 5190), (4152, 4980)]