9964144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{20089}}^1$

素因数の和:20128

約数の個数: 20

約数和(自身を含む): 19929280

約数和(自身を除く): 9965136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 20089, 40178, 80356, 160712, 321424, 622759, 1245518, 2491036, 4982072, 9964144]

約数ペア:

[(1, 9964144), (2, 4982072), (4, 2491036), (8, 1245518), (16, 622759), (31, 321424), (62, 160712), (124, 80356), (248, 40178), (496, 20089)]