20587720902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{20789}}^1$

素因数の和:20910

約数の個数: 128

約数和(自身を含む): 53169177600

約数和(自身を除く): 32581456698

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 73, 102, 114, 119, 133, 146, 219, 238, 266, 323, 357, 399, 438, 511, 646, 714, 798, 969, 1022, 1241, 1387, 1533, 1938, 2261, 2482, 2774, 3066, 3723, 4161, 4522, 6783, 7446, 8322, 8687, 9709, 13566, 17374, 19418, 20789, 23579, 26061, 29127, 41578, 47158, 52122, 58254, 62367, 70737, 124734, 141474, 145523, 165053, 291046, 330106, 353413, 394991, 436569, 495159, 706826, 789982, 873138, 990318, 1060239, 1184973, 1517597, 2120478, 2369946, 2473891, 2764937, 3035194, 4552791, 4947782, 5529874, 6714847, 7421673, 8294811, 9105582, 10623179, 13429694, 14843346, 16589622, 20144541, 21246358, 25799149, 28834343, 31869537, 40289082, 47003929, 51598298, 57668686, 63739074, 77397447, 86503029, 94007858, 141011787, 154794894, 173006058, 180594043, 201840401, 282023574, 361188086, 403680802, 490183831, 541782129, 605521203, 980367662, 1083564258, 1211042406, 1470551493, 2941102986, 3431286817, 6862573634, 10293860451, 20587720902]

約数ペア:

[(1, 20587720902), (2, 10293860451), (3, 6862573634), (6, 3431286817), (7, 2941102986), (14, 1470551493), (17, 1211042406), (19, 1083564258), (21, 980367662), (34, 605521203), (38, 541782129), (42, 490183831), (51, 403680802), (57, 361188086), (73, 282023574), (102, 201840401), (114, 180594043), (119, 173006058), (133, 154794894), (146, 141011787), (219, 94007858), (238, 86503029), (266, 77397447), (323, 63739074), (357, 57668686), (399, 51598298), (438, 47003929), (511, 40289082), (646, 31869537), (714, 28834343), (798, 25799149), (969, 21246358), (1022, 20144541), (1241, 16589622), (1387, 14843346), (1533, 13429694), (1938, 10623179), (2261, 9105582), (2482, 8294811), (2774, 7421673), (3066, 6714847), (3723, 5529874), (4161, 4947782), (4522, 4552791), (6783, 3035194), (7446, 2764937), (8322, 2473891), (8687, 2369946), (9709, 2120478), (13566, 1517597), (17374, 1184973), (19418, 1060239), (20789, 990318), (23579, 873138), (26061, 789982), (29127, 706826), (41578, 495159), (47158, 436569), (52122, 394991), (58254, 353413), (62367, 330106), (70737, 291046), (124734, 165053), (141474, 145523)]