20151488

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1501

約数の個数: 56

約数和(自身を含む): 47207424

約数和(自身を除く): 27055936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1451, 1736, 1984, 2902, 3472, 5804, 6944, 10157, 11608, 13888, 20314, 23216, 40628, 44981, 46432, 81256, 89962, 92864, 162512, 179924, 314867, 325024, 359848, 629734, 650048, 719696, 1259468, 1439392, 2518936, 2878784, 5037872, 10075744, 20151488]

約数ペア:

[(1, 20151488), (2, 10075744), (4, 5037872), (7, 2878784), (8, 2518936), (14, 1439392), (16, 1259468), (28, 719696), (31, 650048), (32, 629734), (56, 359848), (62, 325024), (64, 314867), (112, 179924), (124, 162512), (217, 92864), (224, 89962), (248, 81256), (434, 46432), (448, 44981), (496, 40628), (868, 23216), (992, 20314), (1451, 13888), (1736, 11608), (1984, 10157), (2902, 6944), (3472, 5804)]