20372904

素因数分解:

$2^3\times 3^3\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 56966400

約数和(自身を除く): 36593496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 257, 367, 514, 734, 771, 1028, 1101, 1468, 1542, 2056, 2202, 2313, 2936, 3084, 3303, 4404, 4626, 6168, 6606, 6939, 8808, 9252, 9909, 13212, 13878, 18504, 19818, 26424, 27756, 39636, 55512, 79272, 94319, 188638, 282957, 377276, 565914, 754552, 848871, 1131828, 1697742, 2263656, 2546613, 3395484, 5093226, 6790968, 10186452, 20372904]

約数ペア:

[(1, 20372904), (2, 10186452), (3, 6790968), (4, 5093226), (6, 3395484), (8, 2546613), (9, 2263656), (12, 1697742), (18, 1131828), (24, 848871), (27, 754552), (36, 565914), (54, 377276), (72, 282957), (108, 188638), (216, 94319), (257, 79272), (367, 55512), (514, 39636), (734, 27756), (771, 26424), (1028, 19818), (1101, 18504), (1468, 13878), (1542, 13212), (2056, 9909), (2202, 9252), (2313, 8808), (2936, 6939), (3084, 6606), (3303, 6168), (4404, 4626)]