20056491

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 37017344

約数和(自身を除く): 16960853

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 907, 1053, 1701, 2457, 2721, 3159, 6349, 7371, 8163, 11791, 19047, 22113, 24489, 35373, 57141, 73467, 82537, 106119, 171423, 220401, 247611, 318357, 514269, 742833, 955071, 1542807, 2228499, 2865213, 6685497, 20056491]

約数ペア:

[(1, 20056491), (3, 6685497), (7, 2865213), (9, 2228499), (13, 1542807), (21, 955071), (27, 742833), (39, 514269), (63, 318357), (81, 247611), (91, 220401), (117, 171423), (189, 106119), (243, 82537), (273, 73467), (351, 57141), (567, 35373), (819, 24489), (907, 22113), (1053, 19047), (1701, 11791), (2457, 8163), (2721, 7371), (3159, 6349)]