20163702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 45042480

約数和(自身を除く): 24878778

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 269, 403, 538, 806, 807, 961, 1209, 1614, 1922, 2418, 2883, 3497, 5766, 6994, 8339, 10491, 12493, 16678, 20982, 24986, 25017, 37479, 50034, 74958, 108407, 216814, 258509, 325221, 517018, 650442, 775527, 1551054, 3360617, 6721234, 10081851, 20163702]

約数ペア:

[(1, 20163702), (2, 10081851), (3, 6721234), (6, 3360617), (13, 1551054), (26, 775527), (31, 650442), (39, 517018), (62, 325221), (78, 258509), (93, 216814), (186, 108407), (269, 74958), (403, 50034), (538, 37479), (806, 25017), (807, 24986), (961, 20982), (1209, 16678), (1614, 12493), (1922, 10491), (2418, 8339), (2883, 6994), (3497, 5766)]