20489512

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82619}}^1$

素因数の和:82656

約数の個数: 16

約数和(自身を含む): 39657600

約数和(自身を除く): 19168088

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82619, 165238, 330476, 660952, 2561189, 5122378, 10244756, 20489512]

約数ペア:

[(1, 20489512), (2, 10244756), (4, 5122378), (8, 2561189), (31, 660952), (62, 330476), (124, 165238), (248, 82619)]