20171499260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1039}}^1$

素因数の和:1284

約数の個数: 192

約数和(自身を含む): 50948352000

約数和(自身を除く): 30776852740

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 29, 34, 44, 55, 58, 68, 85, 110, 116, 145, 170, 179, 187, 220, 290, 319, 340, 358, 374, 493, 580, 638, 716, 748, 895, 935, 986, 1039, 1276, 1595, 1790, 1870, 1969, 1972, 2078, 2465, 3043, 3190, 3580, 3740, 3938, 4156, 4930, 5191, 5195, 5423, 6086, 6380, 7876, 9845, 9860, 10382, 10390, 10846, 11429, 12172, 15215, 17663, 19690, 20764, 20780, 21692, 22858, 25955, 27115, 30131, 30430, 33473, 35326, 39380, 45716, 51910, 54230, 57101, 57145, 60262, 60860, 66946, 70652, 88247, 88315, 103820, 108460, 114202, 114290, 120524, 133892, 150655, 167365, 176494, 176630, 185981, 194293, 228404, 228580, 285505, 301310, 331441, 334730, 352988, 353260, 371962, 388586, 441235, 512227, 571010, 602620, 662882, 669460, 743924, 777172, 882470, 929905, 970717, 971465, 1024454, 1142020, 1325764, 1657205, 1764940, 1859810, 1941434, 1942930, 2045791, 2048908, 2561135, 3161677, 3314410, 3719620, 3882868, 3885860, 4091582, 4853585, 5122270, 5393449, 5634497, 6323354, 6628820, 8183164, 9707170, 10228955, 10244540, 10786898, 11268994, 12646708, 15808385, 19414340, 20457910, 21573796, 22537988, 26967245, 28172485, 31616770, 34778447, 40915820, 53934490, 56344970, 59327939, 63233540, 69556894, 91688633, 107868980, 112689940, 118655878, 139113788, 173892235, 183377266, 237311756, 296639695, 347784470, 366754532, 458443165, 593279390, 695568940, 916886330, 1008574963, 1186558780, 1833772660, 2017149926, 4034299852, 5042874815, 10085749630, 20171499260]

約数ペア:

[(1, 20171499260), (2, 10085749630), (4, 5042874815), (5, 4034299852), (10, 2017149926), (11, 1833772660), (17, 1186558780), (20, 1008574963), (22, 916886330), (29, 695568940), (34, 593279390), (44, 458443165), (55, 366754532), (58, 347784470), (68, 296639695), (85, 237311756), (110, 183377266), (116, 173892235), (145, 139113788), (170, 118655878), (179, 112689940), (187, 107868980), (220, 91688633), (290, 69556894), (319, 63233540), (340, 59327939), (358, 56344970), (374, 53934490), (493, 40915820), (580, 34778447), (638, 31616770), (716, 28172485), (748, 26967245), (895, 22537988), (935, 21573796), (986, 20457910), (1039, 19414340), (1276, 15808385), (1595, 12646708), (1790, 11268994), (1870, 10786898), (1969, 10244540), (1972, 10228955), (2078, 9707170), (2465, 8183164), (3043, 6628820), (3190, 6323354), (3580, 5634497), (3740, 5393449), (3938, 5122270), (4156, 4853585), (4930, 4091582), (5191, 3885860), (5195, 3882868), (5423, 3719620), (6086, 3314410), (6380, 3161677), (7876, 2561135), (9845, 2048908), (9860, 2045791), (10382, 1942930), (10390, 1941434), (10846, 1859810), (11429, 1764940), (12172, 1657205), (15215, 1325764), (17663, 1142020), (19690, 1024454), (20764, 971465), (20780, 970717), (21692, 929905), (22858, 882470), (25955, 777172), (27115, 743924), (30131, 669460), (30430, 662882), (33473, 602620), (35326, 571010), (39380, 512227), (45716, 441235), (51910, 388586), (54230, 371962), (57101, 353260), (57145, 352988), (60262, 334730), (60860, 331441), (66946, 301310), (70652, 285505), (88247, 228580), (88315, 228404), (103820, 194293), (108460, 185981), (114202, 176630), (114290, 176494), (120524, 167365), (133892, 150655)]