20178701244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{185051}}^1$

素因数の和:185307

約数の個数: 72

約数和(自身を含む): 55166962032

約数和(自身を除く): 34988260788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 233, 234, 466, 468, 699, 932, 1398, 2097, 2796, 3029, 4194, 6058, 8388, 9087, 12116, 18174, 27261, 36348, 54522, 109044, 185051, 370102, 555153, 740204, 1110306, 1665459, 2220612, 2405663, 3330918, 4811326, 6661836, 7216989, 9622652, 14433978, 21650967, 28867956, 43116883, 43301934, 86233766, 86603868, 129350649, 172467532, 258701298, 388051947, 517402596, 560519479, 776103894, 1121038958, 1552207788, 1681558437, 2242077916, 3363116874, 5044675311, 6726233748, 10089350622, 20178701244]

約数ペア:

[(1, 20178701244), (2, 10089350622), (3, 6726233748), (4, 5044675311), (6, 3363116874), (9, 2242077916), (12, 1681558437), (13, 1552207788), (18, 1121038958), (26, 776103894), (36, 560519479), (39, 517402596), (52, 388051947), (78, 258701298), (117, 172467532), (156, 129350649), (233, 86603868), (234, 86233766), (466, 43301934), (468, 43116883), (699, 28867956), (932, 21650967), (1398, 14433978), (2097, 9622652), (2796, 7216989), (3029, 6661836), (4194, 4811326), (6058, 3330918), (8388, 2405663), (9087, 2220612), (12116, 1665459), (18174, 1110306), (27261, 740204), (36348, 555153), (54522, 370102), (109044, 185051)]