20191456

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4019}}^1$

素因数の和:4186

約数の個数: 24

約数和(自身を含む): 40015080

約数和(自身を除く): 19823624

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4019, 5024, 8038, 16076, 32152, 64304, 128608, 630983, 1261966, 2523932, 5047864, 10095728, 20191456]

約数ペア:

[(1, 20191456), (2, 10095728), (4, 5047864), (8, 2523932), (16, 1261966), (32, 630983), (157, 128608), (314, 64304), (628, 32152), (1256, 16076), (2512, 8038), (4019, 5024)]