20137320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 76602240

約数和(自身を除く): 56464920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 61, 63, 70, 72, 84, 90, 105, 120, 122, 126, 131, 140, 168, 180, 183, 210, 244, 252, 262, 280, 305, 315, 360, 366, 393, 420, 427, 488, 504, 524, 549, 610, 630, 655, 732, 786, 840, 854, 915, 917, 1048, 1098, 1179, 1220, 1260, 1281, 1310, 1464, 1572, 1708, 1830, 1834, 1965, 2135, 2196, 2358, 2440, 2520, 2562, 2620, 2745, 2751, 3144, 3416, 3660, 3668, 3843, 3930, 4270, 4392, 4585, 4716, 5124, 5240, 5490, 5502, 5895, 6405, 7320, 7336, 7686, 7860, 7991, 8253, 8540, 9170, 9432, 10248, 10980, 11004, 11790, 12810, 13755, 15372, 15720, 15982, 16506, 17080, 18340, 19215, 21960, 22008, 23580, 23973, 25620, 27510, 30744, 31964, 33012, 36680, 38430, 39955, 41265, 47160, 47946, 51240, 55020, 55937, 63928, 66024, 71919, 76860, 79910, 82530, 95892, 110040, 111874, 119865, 143838, 153720, 159820, 165060, 167811, 191784, 223748, 239730, 279685, 287676, 319640, 330120, 335622, 359595, 447496, 479460, 503433, 559370, 575352, 671244, 719190, 839055, 958920, 1006866, 1118740, 1342488, 1438380, 1678110, 2013732, 2237480, 2517165, 2876760, 3356220, 4027464, 5034330, 6712440, 10068660, 20137320]

約数ペア:

[(1, 20137320), (2, 10068660), (3, 6712440), (4, 5034330), (5, 4027464), (6, 3356220), (7, 2876760), (8, 2517165), (9, 2237480), (10, 2013732), (12, 1678110), (14, 1438380), (15, 1342488), (18, 1118740), (20, 1006866), (21, 958920), (24, 839055), (28, 719190), (30, 671244), (35, 575352), (36, 559370), (40, 503433), (42, 479460), (45, 447496), (56, 359595), (60, 335622), (61, 330120), (63, 319640), (70, 287676), (72, 279685), (84, 239730), (90, 223748), (105, 191784), (120, 167811), (122, 165060), (126, 159820), (131, 153720), (140, 143838), (168, 119865), (180, 111874), (183, 110040), (210, 95892), (244, 82530), (252, 79910), (262, 76860), (280, 71919), (305, 66024), (315, 63928), (360, 55937), (366, 55020), (393, 51240), (420, 47946), (427, 47160), (488, 41265), (504, 39955), (524, 38430), (549, 36680), (610, 33012), (630, 31964), (655, 30744), (732, 27510), (786, 25620), (840, 23973), (854, 23580), (915, 22008), (917, 21960), (1048, 19215), (1098, 18340), (1179, 17080), (1220, 16506), (1260, 15982), (1281, 15720), (1310, 15372), (1464, 13755), (1572, 12810), (1708, 11790), (1830, 11004), (1834, 10980), (1965, 10248), (2135, 9432), (2196, 9170), (2358, 8540), (2440, 8253), (2520, 7991), (2562, 7860), (2620, 7686), (2745, 7336), (2751, 7320), (3144, 6405), (3416, 5895), (3660, 5502), (3668, 5490), (3843, 5240), (3930, 5124), (4270, 4716), (4392, 4585)]