20116975431

素因数分解:

$3^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{409}}^1\times {\mathrm{1069}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 31407410400

約数和(自身を除く): 11290434969

約数列:

[1, 3, 7, 21, 49, 147, 313, 409, 939, 1069, 1227, 2191, 2863, 3207, 6573, 7483, 8589, 15337, 20041, 22449, 46011, 52381, 60123, 128017, 157143, 334597, 384051, 437221, 896119, 1003791, 1311663, 2342179, 2688357, 3060547, 6272833, 7026537, 9181641, 16395253, 18818499, 21423829, 49185759, 64271487, 136850173, 410550519, 957951211, 2873853633, 6705658477, 20116975431]

約数ペア:

[(1, 20116975431), (3, 6705658477), (7, 2873853633), (21, 957951211), (49, 410550519), (147, 136850173), (313, 64271487), (409, 49185759), (939, 21423829), (1069, 18818499), (1227, 16395253), (2191, 9181641), (2863, 7026537), (3207, 6272833), (6573, 3060547), (7483, 2688357), (8589, 2342179), (15337, 1311663), (20041, 1003791), (22449, 896119), (46011, 437221), (52381, 384051), (60123, 334597), (128017, 157143)]