20784042

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 47818368

約数和(自身を除く): 27034326

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 823, 1098, 1403, 1646, 2469, 2806, 4209, 4938, 7407, 8418, 12627, 14814, 18929, 25254, 37858, 50203, 56787, 100406, 113574, 150609, 170361, 301218, 340722, 451827, 903654, 1154669, 2309338, 3464007, 6928014, 10392021, 20784042]

約数ペア:

[(1, 20784042), (2, 10392021), (3, 6928014), (6, 3464007), (9, 2309338), (18, 1154669), (23, 903654), (46, 451827), (61, 340722), (69, 301218), (122, 170361), (138, 150609), (183, 113574), (207, 100406), (366, 56787), (414, 50203), (549, 37858), (823, 25254), (1098, 18929), (1403, 14814), (1646, 12627), (2469, 8418), (2806, 7407), (4209, 4938)]