20307744

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:782

約数の個数: 72

約数和(自身を含む): 58378320

約数和(自身を除く): 38070576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 107, 144, 214, 288, 321, 428, 642, 659, 856, 963, 1284, 1318, 1712, 1926, 1977, 2568, 2636, 3424, 3852, 3954, 5136, 5272, 5931, 7704, 7908, 10272, 10544, 11862, 15408, 15816, 21088, 23724, 30816, 31632, 47448, 63264, 70513, 94896, 141026, 189792, 211539, 282052, 423078, 564104, 634617, 846156, 1128208, 1269234, 1692312, 2256416, 2538468, 3384624, 5076936, 6769248, 10153872, 20307744]

約数ペア:

[(1, 20307744), (2, 10153872), (3, 6769248), (4, 5076936), (6, 3384624), (8, 2538468), (9, 2256416), (12, 1692312), (16, 1269234), (18, 1128208), (24, 846156), (32, 634617), (36, 564104), (48, 423078), (72, 282052), (96, 211539), (107, 189792), (144, 141026), (214, 94896), (288, 70513), (321, 63264), (428, 47448), (642, 31632), (659, 30816), (856, 23724), (963, 21088), (1284, 15816), (1318, 15408), (1712, 11862), (1926, 10544), (1977, 10272), (2568, 7908), (2636, 7704), (3424, 5931), (3852, 5272), (3954, 5136)]