20897616

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^2\times {\mathrm{823}}^1$

素因数の和:880

約数の個数: 60

約数和(自身を含む): 56503328

約数和(自身を除く): 35605712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 529, 552, 823, 1058, 1104, 1587, 1646, 2116, 2469, 3174, 3292, 4232, 4938, 6348, 6584, 8464, 9876, 12696, 13168, 18929, 19752, 25392, 37858, 39504, 56787, 75716, 113574, 151432, 227148, 302864, 435367, 454296, 870734, 908592, 1306101, 1741468, 2612202, 3482936, 5224404, 6965872, 10448808, 20897616]

約数ペア:

[(1, 20897616), (2, 10448808), (3, 6965872), (4, 5224404), (6, 3482936), (8, 2612202), (12, 1741468), (16, 1306101), (23, 908592), (24, 870734), (46, 454296), (48, 435367), (69, 302864), (92, 227148), (138, 151432), (184, 113574), (276, 75716), (368, 56787), (529, 39504), (552, 37858), (823, 25392), (1058, 19752), (1104, 18929), (1587, 13168), (1646, 12696), (2116, 9876), (2469, 8464), (3174, 6584), (3292, 6348), (4232, 4938)]