20983752

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5147

約数の個数: 64

約数和(自身を含む): 61368000

約数和(自身を除く): 40384248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 5113, 10226, 15339, 20452, 30678, 40904, 46017, 61356, 92034, 97147, 122712, 138051, 184068, 194294, 276102, 291441, 368136, 388588, 552204, 582882, 777176, 874323, 1104408, 1165764, 1748646, 2331528, 2622969, 3497292, 5245938, 6994584, 10491876, 20983752]

約数ペア:

[(1, 20983752), (2, 10491876), (3, 6994584), (4, 5245938), (6, 3497292), (8, 2622969), (9, 2331528), (12, 1748646), (18, 1165764), (19, 1104408), (24, 874323), (27, 777176), (36, 582882), (38, 552204), (54, 388588), (57, 368136), (72, 291441), (76, 276102), (108, 194294), (114, 184068), (152, 138051), (171, 122712), (216, 97147), (228, 92034), (342, 61356), (456, 46017), (513, 40904), (684, 30678), (1026, 20452), (1368, 15339), (2052, 10226), (4104, 5113)]