20790108

素因数分解:

$2^2\times 3^5\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 55434288

約数和(自身を除く): 34644180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 292, 293, 324, 438, 486, 586, 657, 876, 879, 972, 1172, 1314, 1758, 1971, 2628, 2637, 3516, 3942, 5274, 5913, 7884, 7911, 10548, 11826, 15822, 17739, 21389, 23652, 23733, 31644, 35478, 42778, 47466, 64167, 70956, 71199, 85556, 94932, 128334, 142398, 192501, 256668, 284796, 385002, 577503, 770004, 1155006, 1732509, 2310012, 3465018, 5197527, 6930036, 10395054, 20790108]

約数ペア:

[(1, 20790108), (2, 10395054), (3, 6930036), (4, 5197527), (6, 3465018), (9, 2310012), (12, 1732509), (18, 1155006), (27, 770004), (36, 577503), (54, 385002), (73, 284796), (81, 256668), (108, 192501), (146, 142398), (162, 128334), (219, 94932), (243, 85556), (292, 71199), (293, 70956), (324, 64167), (438, 47466), (486, 42778), (586, 35478), (657, 31644), (876, 23733), (879, 23652), (972, 21389), (1172, 17739), (1314, 15822), (1758, 11826), (1971, 10548), (2628, 7911), (2637, 7884), (3516, 5913), (3942, 5274)]