20709402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11467}}^1$

素因数の和:11522

約数の個数: 32

約数和(自身を含む): 48440832

約数和(自身を除く): 27731430

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11467, 22934, 34401, 68802, 80269, 160538, 240807, 481614, 493081, 986162, 1479243, 2958486, 3451567, 6903134, 10354701, 20709402]

約数ペア:

[(1, 20709402), (2, 10354701), (3, 6903134), (6, 3451567), (7, 2958486), (14, 1479243), (21, 986162), (42, 493081), (43, 481614), (86, 240807), (129, 160538), (258, 80269), (301, 68802), (602, 34401), (903, 22934), (1806, 11467)]