20123343252

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{977}}^1$

素因数の和:1306

約数の個数: 144

約数和(自身を含む): 53452198800

約数和(自身を除く): 33328855548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 109, 116, 174, 181, 218, 261, 327, 348, 362, 436, 522, 543, 654, 724, 977, 981, 1044, 1086, 1308, 1629, 1954, 1962, 2172, 2931, 3161, 3258, 3908, 3924, 5249, 5862, 6322, 6516, 8793, 9483, 10498, 11724, 12644, 15747, 17586, 18966, 19729, 20996, 28333, 28449, 31494, 35172, 37932, 39458, 47241, 56666, 56898, 59187, 62988, 78916, 84999, 94482, 106493, 113332, 113796, 118374, 169998, 176837, 177561, 188964, 212986, 236748, 254997, 319479, 339996, 353674, 355122, 425972, 509994, 530511, 572141, 638958, 707348, 710244, 958437, 1019988, 1061022, 1144282, 1277916, 1591533, 1716423, 1916874, 2122044, 2288564, 3088297, 3183066, 3432846, 3833748, 5128273, 5149269, 6176594, 6366132, 6865692, 9264891, 10256546, 10298538, 12353188, 15384819, 18529782, 19275233, 20513092, 20597076, 27794673, 30769638, 37059564, 38550466, 46154457, 55589346, 57825699, 61539276, 77100932, 92308914, 111178692, 115651398, 173477097, 184617828, 231302796, 346954194, 558981757, 693908388, 1117963514, 1676945271, 2235927028, 3353890542, 5030835813, 6707781084, 10061671626, 20123343252]

約数ペア:

[(1, 20123343252), (2, 10061671626), (3, 6707781084), (4, 5030835813), (6, 3353890542), (9, 2235927028), (12, 1676945271), (18, 1117963514), (29, 693908388), (36, 558981757), (58, 346954194), (87, 231302796), (109, 184617828), (116, 173477097), (174, 115651398), (181, 111178692), (218, 92308914), (261, 77100932), (327, 61539276), (348, 57825699), (362, 55589346), (436, 46154457), (522, 38550466), (543, 37059564), (654, 30769638), (724, 27794673), (977, 20597076), (981, 20513092), (1044, 19275233), (1086, 18529782), (1308, 15384819), (1629, 12353188), (1954, 10298538), (1962, 10256546), (2172, 9264891), (2931, 6865692), (3161, 6366132), (3258, 6176594), (3908, 5149269), (3924, 5128273), (5249, 3833748), (5862, 3432846), (6322, 3183066), (6516, 3088297), (8793, 2288564), (9483, 2122044), (10498, 1916874), (11724, 1716423), (12644, 1591533), (15747, 1277916), (17586, 1144282), (18966, 1061022), (19729, 1019988), (20996, 958437), (28333, 710244), (28449, 707348), (31494, 638958), (35172, 572141), (37932, 530511), (39458, 509994), (47241, 425972), (56666, 355122), (56898, 353674), (59187, 339996), (62988, 319479), (78916, 254997), (84999, 236748), (94482, 212986), (106493, 188964), (113332, 177561), (113796, 176837), (118374, 169998)]