20627802

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6781}}^1$

素因数の和:6815

約数の個数: 36

約数和(自身を含む): 48403134

約数和(自身を除く): 27775332

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6781, 13562, 20343, 40686, 61029, 88153, 122058, 176306, 264459, 528918, 793377, 1145989, 1586754, 2291978, 3437967, 6875934, 10313901, 20627802]

約数ペア:

[(1, 20627802), (2, 10313901), (3, 6875934), (6, 3437967), (9, 2291978), (13, 1586754), (18, 1145989), (26, 793377), (39, 528918), (78, 264459), (117, 176306), (169, 122058), (234, 88153), (338, 61029), (507, 40686), (1014, 20343), (1521, 13562), (3042, 6781)]