20922373780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{2417}}^1$

素因数の和:2535

約数の個数: 216

約数和(自身を含む): 56972306664

約数和(自身を除く): 36049932884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 73, 77, 98, 110, 121, 140, 146, 154, 196, 220, 242, 245, 292, 308, 365, 385, 484, 490, 511, 539, 605, 730, 770, 803, 847, 980, 1022, 1078, 1210, 1460, 1540, 1606, 1694, 2044, 2156, 2417, 2420, 2555, 2695, 3212, 3388, 3577, 4015, 4235, 4834, 5110, 5390, 5621, 5929, 7154, 8030, 8470, 8833, 9668, 10220, 10780, 11242, 11858, 12085, 14308, 16060, 16919, 16940, 17666, 17885, 22484, 23716, 24170, 26587, 28105, 29645, 33838, 35332, 35770, 39347, 44165, 48340, 53174, 56210, 59290, 61831, 67676, 71540, 78694, 84595, 88330, 106348, 112420, 118433, 118580, 123662, 132935, 157388, 169190, 176441, 176660, 186109, 196735, 236866, 247324, 265870, 292457, 309155, 338380, 352882, 372218, 393470, 432817, 473732, 531740, 584914, 592165, 618310, 705764, 744436, 786940, 865634, 882205, 930545, 1169828, 1184330, 1235087, 1236620, 1302763, 1462285, 1731268, 1764410, 1861090, 1940851, 2047199, 2164085, 2368660, 2470174, 2605526, 2924570, 3528820, 3722180, 3881702, 4094398, 4328170, 4940348, 5211052, 5849140, 6175435, 6513815, 7763404, 8188796, 8645609, 8656340, 9704255, 10235995, 12350870, 13027630, 13585957, 14330393, 17291218, 19408510, 20471990, 21349361, 24701740, 26055260, 27171914, 28660786, 34582436, 38817020, 40943980, 42698722, 43228045, 54343828, 57321572, 67929785, 71651965, 85397444, 86456090, 95101699, 106746805, 135859570, 143303930, 149445527, 172912180, 190203398, 213493610, 271719140, 286607860, 298891054, 380406796, 426987220, 475508495, 597782108, 747227635, 951016990, 1046118689, 1494455270, 1902033980, 2092237378, 2988910540, 4184474756, 5230593445, 10461186890, 20922373780]

約数ペア:

[(1, 20922373780), (2, 10461186890), (4, 5230593445), (5, 4184474756), (7, 2988910540), (10, 2092237378), (11, 1902033980), (14, 1494455270), (20, 1046118689), (22, 951016990), (28, 747227635), (35, 597782108), (44, 475508495), (49, 426987220), (55, 380406796), (70, 298891054), (73, 286607860), (77, 271719140), (98, 213493610), (110, 190203398), (121, 172912180), (140, 149445527), (146, 143303930), (154, 135859570), (196, 106746805), (220, 95101699), (242, 86456090), (245, 85397444), (292, 71651965), (308, 67929785), (365, 57321572), (385, 54343828), (484, 43228045), (490, 42698722), (511, 40943980), (539, 38817020), (605, 34582436), (730, 28660786), (770, 27171914), (803, 26055260), (847, 24701740), (980, 21349361), (1022, 20471990), (1078, 19408510), (1210, 17291218), (1460, 14330393), (1540, 13585957), (1606, 13027630), (1694, 12350870), (2044, 10235995), (2156, 9704255), (2417, 8656340), (2420, 8645609), (2555, 8188796), (2695, 7763404), (3212, 6513815), (3388, 6175435), (3577, 5849140), (4015, 5211052), (4235, 4940348), (4834, 4328170), (5110, 4094398), (5390, 3881702), (5621, 3722180), (5929, 3528820), (7154, 2924570), (8030, 2605526), (8470, 2470174), (8833, 2368660), (9668, 2164085), (10220, 2047199), (10780, 1940851), (11242, 1861090), (11858, 1764410), (12085, 1731268), (14308, 1462285), (16060, 1302763), (16919, 1236620), (16940, 1235087), (17666, 1184330), (17885, 1169828), (22484, 930545), (23716, 882205), (24170, 865634), (26587, 786940), (28105, 744436), (29645, 705764), (33838, 618310), (35332, 592165), (35770, 584914), (39347, 531740), (44165, 473732), (48340, 432817), (53174, 393470), (56210, 372218), (59290, 352882), (61831, 338380), (67676, 309155), (71540, 292457), (78694, 265870), (84595, 247324), (88330, 236866), (106348, 196735), (112420, 186109), (118433, 176660), (118580, 176441), (123662, 169190), (132935, 157388)]