20502752

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 42729120

約数和(自身を除く): 22226368

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 89, 92, 178, 184, 313, 356, 368, 626, 712, 736, 1252, 1424, 2047, 2504, 2848, 4094, 5008, 7199, 8188, 10016, 14398, 16376, 27857, 28796, 32752, 55714, 57592, 65504, 111428, 115184, 222856, 230368, 445712, 640711, 891424, 1281422, 2562844, 5125688, 10251376, 20502752]

約数ペア:

[(1, 20502752), (2, 10251376), (4, 5125688), (8, 2562844), (16, 1281422), (23, 891424), (32, 640711), (46, 445712), (89, 230368), (92, 222856), (178, 115184), (184, 111428), (313, 65504), (356, 57592), (368, 55714), (626, 32752), (712, 28796), (736, 27857), (1252, 16376), (1424, 14398), (2047, 10016), (2504, 8188), (2848, 7199), (4094, 5008)]