20199059991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{6299}}^1$

素因数の和:6442

約数の個数: 80

約数和(自身を含む): 34029072000

約数和(自身を除く): 13830012009

約数列:

[1, 3, 9, 11, 27, 33, 59, 61, 81, 99, 177, 183, 297, 531, 549, 649, 671, 891, 1593, 1647, 1947, 2013, 3599, 4779, 4941, 5841, 6039, 6299, 10797, 17523, 18117, 18897, 32391, 39589, 52569, 54351, 56691, 69289, 97173, 118767, 170073, 207867, 291519, 356301, 371641, 384239, 510219, 623601, 1068903, 1114923, 1152717, 1870803, 3206709, 3344769, 3458151, 4088051, 4226629, 5612409, 10034307, 10374453, 12264153, 12679887, 22670101, 30102921, 31123359, 36792459, 38039661, 68010303, 110377377, 114118983, 204030909, 249371111, 331132131, 342356949, 612092727, 748113333, 1836278181, 2244339999, 6733019997, 20199059991]

約数ペア:

[(1, 20199059991), (3, 6733019997), (9, 2244339999), (11, 1836278181), (27, 748113333), (33, 612092727), (59, 342356949), (61, 331132131), (81, 249371111), (99, 204030909), (177, 114118983), (183, 110377377), (297, 68010303), (531, 38039661), (549, 36792459), (649, 31123359), (671, 30102921), (891, 22670101), (1593, 12679887), (1647, 12264153), (1947, 10374453), (2013, 10034307), (3599, 5612409), (4779, 4226629), (4941, 4088051), (5841, 3458151), (6039, 3344769), (6299, 3206709), (10797, 1870803), (17523, 1152717), (18117, 1114923), (18897, 1068903), (32391, 623601), (39589, 510219), (52569, 384239), (54351, 371641), (56691, 356301), (69289, 291519), (97173, 207867), (118767, 170073)]