20893432

素因数分解:

$2^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{733}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 44920800

約数和(自身を除く): 24027368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 509, 733, 1018, 1466, 2036, 2932, 3563, 4072, 5131, 5864, 7126, 10262, 14252, 20524, 28504, 41048, 373097, 746194, 1492388, 2611679, 2984776, 5223358, 10446716, 20893432]

約数ペア:

[(1, 20893432), (2, 10446716), (4, 5223358), (7, 2984776), (8, 2611679), (14, 1492388), (28, 746194), (56, 373097), (509, 41048), (733, 28504), (1018, 20524), (1466, 14252), (2036, 10262), (2932, 7126), (3563, 5864), (4072, 5131)]