20091616

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4517}}^1$

素因数の和:4666

約数の個数: 24

約数和(自身を含む): 39848760

約数和(自身を除く): 19757144

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4517, 9034, 18068, 36136, 72272, 144544, 627863, 1255726, 2511452, 5022904, 10045808, 20091616]

約数ペア:

[(1, 20091616), (2, 10045808), (4, 5022904), (8, 2511452), (16, 1255726), (32, 627863), (139, 144544), (278, 72272), (556, 36136), (1112, 18068), (2224, 9034), (4448, 4517)]