20145841331

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1\times {\mathrm{577}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 25814904192

約数和(自身を除く): 5669062861

約数列:

[1, 7, 11, 49, 77, 211, 307, 539, 577, 1477, 2149, 2321, 3377, 4039, 6347, 10339, 15043, 16247, 23639, 28273, 44429, 64777, 113729, 121747, 165473, 177139, 311003, 453439, 712547, 852229, 1239973, 1339217, 1948529, 3174073, 4987829, 5965603, 8679811, 9374519, 13639703, 34914803, 37376329, 65621633, 95477921, 261634303, 411139619, 1831440121, 2877977333, 20145841331]

約数ペア:

[(1, 20145841331), (7, 2877977333), (11, 1831440121), (49, 411139619), (77, 261634303), (211, 95477921), (307, 65621633), (539, 37376329), (577, 34914803), (1477, 13639703), (2149, 9374519), (2321, 8679811), (3377, 5965603), (4039, 4987829), (6347, 3174073), (10339, 1948529), (15043, 1339217), (16247, 1239973), (23639, 852229), (28273, 712547), (44429, 453439), (64777, 311003), (113729, 177139), (121747, 165473)]