20126473920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{332779}}^1$

素因数の和:332812

約数の個数: 224

約数和(自身を含む): 81145075200

約数和(自身を除く): 61018601280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 332779, 665558, 998337, 1331116, 1663895, 1996674, 2329453, 2662232, 2995011, 3327790, 3993348, 4658906, 4991685, 5324464, 5990022, 6655580, 6988359, 7986696, 8985033, 9317812, 9983370, 10648928, 11647265, 11980044, 13311160, 13976718, 14975055, 15973392, 17970066, 18635624, 19966740, 20965077, 21297856, 23294530, 23960088, 26622320, 27953436, 29950110, 31946784, 34941795, 35940132, 37271248, 39933480, 41930154, 44925165, 46589060, 47920176, 53244640, 55906872, 59900220, 62895231, 63893568, 69883590, 71880264, 74542496, 79866960, 83860308, 89850330, 93178120, 95840352, 104825385, 106489280, 111813744, 119800440, 125790462, 139767180, 143760528, 149084992, 159733920, 167720616, 179700660, 186356240, 191680704, 209650770, 223627488, 239600880, 251580924, 279534360, 287521056, 314476155, 319467840, 335441232, 359401320, 372712480, 419301540, 447254976, 479201760, 503161848, 559068720, 575042112, 628952310, 670882464, 718802640, 745424960, 838603080, 958403520, 1006323696, 1118137440, 1257904620, 1341764928, 1437605280, 1677206160, 2012647392, 2236274880, 2515809240, 2875210560, 3354412320, 4025294784, 5031618480, 6708824640, 10063236960, 20126473920]

約数ペア:

[(1, 20126473920), (2, 10063236960), (3, 6708824640), (4, 5031618480), (5, 4025294784), (6, 3354412320), (7, 2875210560), (8, 2515809240), (9, 2236274880), (10, 2012647392), (12, 1677206160), (14, 1437605280), (15, 1341764928), (16, 1257904620), (18, 1118137440), (20, 1006323696), (21, 958403520), (24, 838603080), (27, 745424960), (28, 718802640), (30, 670882464), (32, 628952310), (35, 575042112), (36, 559068720), (40, 503161848), (42, 479201760), (45, 447254976), (48, 419301540), (54, 372712480), (56, 359401320), (60, 335441232), (63, 319467840), (64, 314476155), (70, 287521056), (72, 279534360), (80, 251580924), (84, 239600880), (90, 223627488), (96, 209650770), (105, 191680704), (108, 186356240), (112, 179700660), (120, 167720616), (126, 159733920), (135, 149084992), (140, 143760528), (144, 139767180), (160, 125790462), (168, 119800440), (180, 111813744), (189, 106489280), (192, 104825385), (210, 95840352), (216, 93178120), (224, 89850330), (240, 83860308), (252, 79866960), (270, 74542496), (280, 71880264), (288, 69883590), (315, 63893568), (320, 62895231), (336, 59900220), (360, 55906872), (378, 53244640), (420, 47920176), (432, 46589060), (448, 44925165), (480, 41930154), (504, 39933480), (540, 37271248), (560, 35940132), (576, 34941795), (630, 31946784), (672, 29950110), (720, 27953436), (756, 26622320), (840, 23960088), (864, 23294530), (945, 21297856), (960, 20965077), (1008, 19966740), (1080, 18635624), (1120, 17970066), (1260, 15973392), (1344, 14975055), (1440, 13976718), (1512, 13311160), (1680, 11980044), (1728, 11647265), (1890, 10648928), (2016, 9983370), (2160, 9317812), (2240, 8985033), (2520, 7986696), (2880, 6988359), (3024, 6655580), (3360, 5990022), (3780, 5324464), (4032, 4991685), (4320, 4658906), (5040, 3993348), (6048, 3327790), (6720, 2995011), (7560, 2662232), (8640, 2329453), (10080, 1996674), (12096, 1663895), (15120, 1331116), (20160, 998337), (30240, 665558), (60480, 332779)]