20605328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41543}}^1$

素因数の和:41582

約数の個数: 20

約数和(自身を含む): 41211648

約数和(自身を除く): 20606320

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41543, 83086, 166172, 332344, 664688, 1287833, 2575666, 5151332, 10302664, 20605328]

約数ペア:

[(1, 20605328), (2, 10302664), (4, 5151332), (8, 2575666), (16, 1287833), (31, 664688), (62, 332344), (124, 166172), (248, 83086), (496, 41543)]