20176871024

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{373}}^1\times {\mathrm{37987}}^1$

素因数の和:38457

約数の個数: 40

約数和(自身を含む): 39638958480

約数和(自身を除く): 19462087456

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 373, 712, 746, 1424, 1492, 2984, 5968, 33197, 37987, 66394, 75974, 132788, 151948, 265576, 303896, 531152, 607792, 3380843, 6761686, 13523372, 14169151, 27046744, 28338302, 54093488, 56676604, 113353208, 226706416, 1261054439, 2522108878, 5044217756, 10088435512, 20176871024]

約数ペア:

[(1, 20176871024), (2, 10088435512), (4, 5044217756), (8, 2522108878), (16, 1261054439), (89, 226706416), (178, 113353208), (356, 56676604), (373, 54093488), (712, 28338302), (746, 27046744), (1424, 14169151), (1492, 13523372), (2984, 6761686), (5968, 3380843), (33197, 607792), (37987, 531152), (66394, 303896), (75974, 265576), (132788, 151948)]