20685528

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15121}}^1$

素因数の和:15152

約数の個数: 48

約数和(自身を含む): 58975800

約数和(自身を除く): 38290272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15121, 30242, 45363, 60484, 90726, 120968, 136089, 181452, 272178, 287299, 362904, 544356, 574598, 861897, 1088712, 1149196, 1723794, 2298392, 2585691, 3447588, 5171382, 6895176, 10342764, 20685528]

約数ペア:

[(1, 20685528), (2, 10342764), (3, 6895176), (4, 5171382), (6, 3447588), (8, 2585691), (9, 2298392), (12, 1723794), (18, 1149196), (19, 1088712), (24, 861897), (36, 574598), (38, 544356), (57, 362904), (72, 287299), (76, 272178), (114, 181452), (152, 136089), (171, 120968), (228, 90726), (342, 60484), (456, 45363), (684, 30242), (1368, 15121)]