20194990620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{9497}}^1$

素因数の和:9660

約数の個数: 192

約数和(自身を含む): 66481744896

約数和(自身を除く): 46286754276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 83, 84, 105, 122, 140, 166, 183, 210, 244, 249, 305, 332, 366, 415, 420, 427, 498, 581, 610, 732, 830, 854, 915, 996, 1162, 1220, 1245, 1281, 1660, 1708, 1743, 1830, 2135, 2324, 2490, 2562, 2905, 3486, 3660, 4270, 4980, 5063, 5124, 5810, 6405, 6972, 8540, 8715, 9497, 10126, 11620, 12810, 15189, 17430, 18994, 20252, 25315, 25620, 28491, 30378, 34860, 35441, 37988, 47485, 50630, 56982, 60756, 66479, 70882, 75945, 94970, 101260, 106323, 113964, 132958, 141764, 142455, 151890, 177205, 189940, 199437, 212646, 265916, 284910, 303780, 332395, 354410, 398874, 425292, 531615, 569820, 579317, 664790, 708820, 788251, 797748, 997185, 1063230, 1158634, 1329580, 1576502, 1737951, 1994370, 2126460, 2317268, 2364753, 2896585, 3153004, 3475902, 3941255, 3988740, 4055219, 4729506, 5517757, 5793170, 6951804, 7882510, 8110438, 8689755, 9459012, 11035514, 11586340, 11823765, 12165657, 15765020, 16220876, 16553271, 17379510, 20276095, 22071028, 23647530, 24331314, 27588785, 33106542, 34759020, 40552190, 47295060, 48083311, 48662628, 55177570, 60828285, 66213084, 81104380, 82766355, 96166622, 110355140, 121656570, 144249933, 165532710, 192333244, 240416555, 243313140, 288499866, 331065420, 336583177, 480833110, 576999732, 673166354, 721249665, 961666220, 1009749531, 1346332708, 1442499330, 1682915885, 2019499062, 2884998660, 3365831770, 4038998124, 5048747655, 6731663540, 10097495310, 20194990620]

約数ペア:

[(1, 20194990620), (2, 10097495310), (3, 6731663540), (4, 5048747655), (5, 4038998124), (6, 3365831770), (7, 2884998660), (10, 2019499062), (12, 1682915885), (14, 1442499330), (15, 1346332708), (20, 1009749531), (21, 961666220), (28, 721249665), (30, 673166354), (35, 576999732), (42, 480833110), (60, 336583177), (61, 331065420), (70, 288499866), (83, 243313140), (84, 240416555), (105, 192333244), (122, 165532710), (140, 144249933), (166, 121656570), (183, 110355140), (210, 96166622), (244, 82766355), (249, 81104380), (305, 66213084), (332, 60828285), (366, 55177570), (415, 48662628), (420, 48083311), (427, 47295060), (498, 40552190), (581, 34759020), (610, 33106542), (732, 27588785), (830, 24331314), (854, 23647530), (915, 22071028), (996, 20276095), (1162, 17379510), (1220, 16553271), (1245, 16220876), (1281, 15765020), (1660, 12165657), (1708, 11823765), (1743, 11586340), (1830, 11035514), (2135, 9459012), (2324, 8689755), (2490, 8110438), (2562, 7882510), (2905, 6951804), (3486, 5793170), (3660, 5517757), (4270, 4729506), (4980, 4055219), (5063, 3988740), (5124, 3941255), (5810, 3475902), (6405, 3153004), (6972, 2896585), (8540, 2364753), (8715, 2317268), (9497, 2126460), (10126, 1994370), (11620, 1737951), (12810, 1576502), (15189, 1329580), (17430, 1158634), (18994, 1063230), (20252, 997185), (25315, 797748), (25620, 788251), (28491, 708820), (30378, 664790), (34860, 579317), (35441, 569820), (37988, 531615), (47485, 425292), (50630, 398874), (56982, 354410), (60756, 332395), (66479, 303780), (70882, 284910), (75945, 265916), (94970, 212646), (101260, 199437), (106323, 189940), (113964, 177205), (132958, 151890), (141764, 142455)]