20546986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 12837974

約数列:

[1, 2, 31, 41, 59, 62, 82, 118, 137, 274, 1271, 1829, 2419, 2542, 3658, 4247, 4838, 5617, 8083, 8494, 11234, 16166, 74989, 149978, 174127, 250573, 331403, 348254, 501146, 662806, 10273493, 20546986]

約数ペア:

[(1, 20546986), (2, 10273493), (31, 662806), (41, 501146), (59, 348254), (62, 331403), (82, 250573), (118, 174127), (137, 149978), (274, 74989), (1271, 16166), (1829, 11234), (2419, 8494), (2542, 8083), (3658, 5617), (4247, 4838)]