20796685980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{60607}}^1$

素因数の和:60688

約数の個数: 192

約数和(自身を含む): 71682293760

約数和(自身を除く): 50885607780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 43, 57, 60, 70, 76, 84, 86, 95, 105, 114, 129, 133, 140, 172, 190, 210, 215, 228, 258, 266, 285, 301, 380, 399, 420, 430, 516, 532, 570, 602, 645, 665, 798, 817, 860, 903, 1140, 1204, 1290, 1330, 1505, 1596, 1634, 1806, 1995, 2451, 2580, 2660, 3010, 3268, 3612, 3990, 4085, 4515, 4902, 5719, 6020, 7980, 8170, 9030, 9804, 11438, 12255, 16340, 17157, 18060, 22876, 24510, 28595, 34314, 49020, 57190, 60607, 68628, 85785, 114380, 121214, 171570, 181821, 242428, 303035, 343140, 363642, 424249, 606070, 727284, 848498, 909105, 1151533, 1212140, 1272747, 1696996, 1818210, 2121245, 2303066, 2545494, 2606101, 3454599, 3636420, 4242490, 4606132, 5090988, 5212202, 5757665, 6363735, 6909198, 7818303, 8060731, 8484980, 10424404, 11515330, 12727470, 13030505, 13818396, 15636606, 16121462, 17272995, 18242707, 23030660, 24182193, 25454940, 26061010, 31273212, 32242924, 34545990, 36485414, 39091515, 40303655, 48364386, 49515919, 52122020, 54728121, 69091980, 72970828, 78183030, 80607310, 91213535, 96728772, 99031838, 109456242, 120910965, 148547757, 156366060, 161214620, 182427070, 198063676, 218912484, 241821930, 247579595, 273640605, 297095514, 346611433, 364854140, 483643860, 495159190, 547281210, 594191028, 693222866, 742738785, 990318380, 1039834299, 1094562420, 1386445732, 1485477570, 1733057165, 2079668598, 2970955140, 3466114330, 4159337196, 5199171495, 6932228660, 10398342990, 20796685980]

約数ペア:

[(1, 20796685980), (2, 10398342990), (3, 6932228660), (4, 5199171495), (5, 4159337196), (6, 3466114330), (7, 2970955140), (10, 2079668598), (12, 1733057165), (14, 1485477570), (15, 1386445732), (19, 1094562420), (20, 1039834299), (21, 990318380), (28, 742738785), (30, 693222866), (35, 594191028), (38, 547281210), (42, 495159190), (43, 483643860), (57, 364854140), (60, 346611433), (70, 297095514), (76, 273640605), (84, 247579595), (86, 241821930), (95, 218912484), (105, 198063676), (114, 182427070), (129, 161214620), (133, 156366060), (140, 148547757), (172, 120910965), (190, 109456242), (210, 99031838), (215, 96728772), (228, 91213535), (258, 80607310), (266, 78183030), (285, 72970828), (301, 69091980), (380, 54728121), (399, 52122020), (420, 49515919), (430, 48364386), (516, 40303655), (532, 39091515), (570, 36485414), (602, 34545990), (645, 32242924), (665, 31273212), (798, 26061010), (817, 25454940), (860, 24182193), (903, 23030660), (1140, 18242707), (1204, 17272995), (1290, 16121462), (1330, 15636606), (1505, 13818396), (1596, 13030505), (1634, 12727470), (1806, 11515330), (1995, 10424404), (2451, 8484980), (2580, 8060731), (2660, 7818303), (3010, 6909198), (3268, 6363735), (3612, 5757665), (3990, 5212202), (4085, 5090988), (4515, 4606132), (4902, 4242490), (5719, 3636420), (6020, 3454599), (7980, 2606101), (8170, 2545494), (9030, 2303066), (9804, 2121245), (11438, 1818210), (12255, 1696996), (16340, 1272747), (17157, 1212140), (18060, 1151533), (22876, 909105), (24510, 848498), (28595, 727284), (34314, 606070), (49020, 424249), (57190, 363642), (60607, 343140), (68628, 303035), (85785, 242428), (114380, 181821), (121214, 171570)]